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    96 vulnerabilities by langchain-ai

    CVE-2026-55253 (GCVE-0-2026-55253)

    Vulnerability from nvd – Published: 2026-09-14 17:09 – Updated: 2026-09-14 20:06
    VLAI
    Title
    LangChain MongoDB: NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure
    Summary
    LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list(), MongoDBSaver.alist(), and MongoDBStore.search() incorporate filter dictionaries into MongoDB queries without recursively rejecting keys prefixed with $. An authenticated caller who controls a filter argument through HTTP query parameters, request body fields, or agent tool arguments can inject MongoDB Query Language operators such as $regex or $where. In a multi-tenant deployment that uses the filter to enforce per-user or per-tenant isolation, injected operators can bypass intended equality filtering and expose other tenants' checkpoint or store data. Filters constructed entirely from trusted server-side values have lower practical risk. This issue is fixed in langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 19:20 UTC
    CWE
    • CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
    Show details on NVD website

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    CVE-2026-55236 (GCVE-0-2026-55236)

    Vulnerability from nvd – Published: 2026-09-14 15:51 – Updated: 2026-09-14 16:42
    VLAI
    Title
    langgraph-api: Incomplete assistant authorization in LangGraph Server run creation
    Summary
    langgraph-api implements the LangGraph API for rapid development and testing. Prior to 0.10.0, the langgraph-api run-creation path authorizes the assistant attached to a run by dispatching assistants.search with an incomplete value instead of the assistants.read event used by direct reads and cron creation. In deployments with custom resource handlers that register only assistants.read, omit an assistants.search handler, and have no global fallback handler, no applicable handler supplies an owner filter, allowing a low-privileged user to reference another user's private assistant through POST /runs or POST /threads/{thread_id}/runs. The run-creation response can disclose the private assistant's metadata, config, and context, and the run can execute using that assistant's configuration. Deployments without custom authorization handlers, or with an equivalent owner filter applied through a global handler or across all assistant events, are not affected. This issue is fixed in version 0.10.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 16:41 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph-api Affected: < 0.10.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55235 (GCVE-0-2026-55235)

    Vulnerability from nvd – Published: 2026-09-14 15:53 – Updated: 2026-09-16 15:14
    VLAI
    Title
    langgraph-api: Relative webhook targets in LangGraph Server can reach in-process routes without authentication
    Summary
    langgraph-api implements the LangGraph API for rapid development and testing. Prior to 0.10.0, langgraph-api permits a run or cron to specify a relative webhook target that is delivered through an in-process loopback transport, and the authentication middleware treats that transport as internal without applying the authentication context used for external requests. In deployments that rely on per-user authorization to separate threads and runs, an authenticated user can direct a webhook to the server's own thread and run routes, allowing creation of a run on or modification of another user's thread and limited incorporation of the targeted thread's metadata into the created run record. The affected path requires webhook targets and per-user authorization boundaries; deployments that deliberately re-enable loopback delivery should restrict it to controlled same-process routes because those webhooks remain unauthenticated. This issue is fixed in version 0.10.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-16 15:14 UTC
    CWE
    • CWE-287 - Improper Authentication
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph-api Affected: < 0.10.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-72848 (GCVE-0-2026-72848)

    Vulnerability from nvd – Published: 2026-08-20 21:57 – Updated: 2026-09-24 14:19 Unsupported When Assigned
    VLAI
    Title
    langchain-community SitemapLoader Does Not Apply restrict_to_same_domain to Nested Sitemap Index Entries, Allowing Server-Side Request Forgery
    Summary
    SitemapLoader.parse_sitemap in langchain_community/document_loaders/sitemap.py applies the documented restrict_to_same_domain control only to leaf url entries. The loop over url elements filters cross-domain locations, but the loop over nested sitemap elements passes the child loc straight to self.scrape_all([loc.text], "xml"), which reaches WebBaseLoader.scrape_all and an aiohttp GET, with no domain comparison and no check for private, loopback or link-local destinations. An attacker who controls or influences an ingested sitemap can therefore point a nested sitemap entry at an internal address and make the server fetch it even when the deploying application set restrict_to_same_domain to True specifically to confine outbound requests. The fetched content is parsed and surfaces in the returned Documents, so internal responses are disclosed to the caller rather than merely requested.
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 17:35 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Vendor Product Version
    langchain-ai langchain-community Affected: 0 , ≤ 0.4.2 (semver)
    Create a notification for this product.
    Date Public
    2026-07-12 00:00
    Show details on NVD website

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    CVE-2026-71433 (GCVE-0-2026-71433)

    Vulnerability from nvd – Published: 2026-08-06 19:03 – Updated: 2026-08-07 14:51
    VLAI
    Title
    LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores
    Summary
    LangGraph Checkpoint Postgres and SQLite Checkpoint are the Postgres and SQLite implementations of LangGraph's checkpoint saver. Prior to 3.1.1, the langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite packages persisted hierarchical namespaces as a dot joined string and scoped reads by matching that string as a simple prefix pattern, so a read scoped to one namespace could also match a sibling namespace whose flattened form shares the same leading characters, or a namespace label containing unescaped pattern metacharacters, allowing an authenticated caller to retrieve stored items belonging to another tenant or user through an ordinary scoped search or list namespaces call, with no crafted input required. This issue is fixed in versions 3.1.1 of langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-07 14:51 UTC
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    • CWE-863 - Incorrect Authorization
    Show details on NVD website

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    CVE-2026-48121 (GCVE-0-2026-48121)

    Vulnerability from nvd – Published: 2026-08-04 16:49 – Updated: 2026-08-04 19:51
    VLAI
    Title
    @langchain/langgraph-checkpoint-mongodb: NoSQL parameter injection in MongoDBSaver allows cross-tenant state access
    Summary
    @langchain/langgraph-checkpoint-mongodb provides a LangGraph.js CheckpointSaver implementation that uses MongoDB for storage. Versions 1.3.0 and below are vulnerable to NoSQL injection: checkpoint identifiers (thread_id, checkpoint_ns, checkpoint_id) from config.configurable are passed into MongoDB find() queries in MongoDBSaver.getTuple() without type enforcement. If an attacker supplies an object payload (such as MongoDB operators $gt or $ne) instead of a string, it can be interpreted as a query operator, bypassing thread scoping and leaking checkpoints, including pending writes, across tenants. Applications are at risk if they forward untrusted input into config.configurable without coercing it to strings or validating it against a schema, particularly in multi-tenant or user-isolated setups. Apps that only use server-issued, string-typed identifiers with schema validation rejecting non-string fields are not affected. This issue has been fixed in version 1.3.1.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-04 19:15 UTC
    CWE
    • CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
    Impacted products
    Vendor Product Version
    langchain-ai langgraphjs Affected: < 1.3.1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-59152 (GCVE-0-2026-59152)

    Vulnerability from nvd – Published: 2026-07-06 14:26 – Updated: 2026-07-07 15:17
    VLAI
    Title
    Arbitrary server-side file read in LangSmith SDK TracingMiddleware
    Summary
    LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to 0.8.18, an attacker who can send an HTTP request to a server running the LangSmith SDK's TracingMiddleware can cause that server to read an arbitrary file from its local filesystem and upload the contents to LangSmith as a trace attachment. Depending on how the distributed trace system is deployed, triggering a read may not require authentication. Retrieving the contents requires read access to the LangSmith workspace the traces are sent to. The net effect is a trust-boundary crossing: a party with workspace trace-read access (for example a low-privilege workspace member, a contractor, or a compromised teammate account) gains the ability to read files from any server running TracingMiddleware, a capability outside that workspace's intended trust boundary. This vulnerability is fixed in 0.8.18.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-07 15:17 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-346 - Origin Validation Error
    • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
    References
    Impacted products
    Vendor Product Version
    langchain-ai langsmith-sdk Affected: < 0.8.18
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-14742 (GCVE-0-2026-14742)

    Vulnerability from nvd – Published: 2026-07-05 10:45 – Updated: 2026-07-06 17:59
    VLAI
    Title
    langchain-ai langgraph Task Result Cache _cache.py _freeze weak hash
    Summary
    A vulnerability was determined in langchain-ai langgraph up to 1.2.4. The affected element is the function _freeze of the file libs/langgraph/langgraph/_internal/_cache.py of the component Task Result Cache. This manipulation of the argument default_cache_key causes use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 17:59 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph Affected: 1.2.0
    Affected: 1.2.1
    Affected: 1.2.2
    Affected: 1.2.3
    Affected: 1.2.4
        cpe:2.3:a:langchain-ai:langgraph:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55443 (GCVE-0-2026-55443)

    Vulnerability from nvd – Published: 2026-06-22 17:21 – Updated: 2026-06-22 19:52
    VLAI
    Title
    LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 1.3.9, several LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search agent middleware that validates a starting directory but not the search pattern or the resolved target of matched files, so glob patterns and symlinks can reach files outside the configured root; prompt- and chain/agent-configuration loaders that accept path fields and resolve them without confining the result to a trusted base or rejecting symlink targets; and path-prefix authorization checks that compare by string prefix without a path-segment boundary, so a sibling path sharing the prefix is accepted. When these components receive path values, search patterns, or workspace contents influenced by an untrusted source — including an LLM acting on untrusted input — the result can be disclosure of files outside the intended boundary. This vulnerability is fixed in 1.3.9.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-22 19:51 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-48776 (GCVE-0-2026-48776)

    Vulnerability from nvd – Published: 2026-06-16 19:51 – Updated: 2026-06-17 14:02
    VLAI
    Title
    LangGraph SDK has unsafe URL path construction
    Summary
    LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. Versions 0.3.14 and prior have unsafe URL path construction through unsanitized caller-supplied identifier values used in HTTP request paths for resource operations. Without sanitization of those values, identifiers that contain characters with special meaning in URL paths could cause the resulting request to address a different resource (and potentially a different resource type) than the SDK method's call site indicates. In deployments where the SDK receives identifier values that originate from untrusted sources, this could result in unintended access, modification, or deletion of resources beyond the calling user's authorization scope. This issue is most consequential in deployments that forward end-user-supplied values directly into SDK identifier parameters without first validating them against an expected format (such as a UUID), and rely on URL-prefix-based authorization at an upstream layer (reverse proxy, edge gateway, WAF), where the authorization decision is made on the SDK call's intended path rather than on the final delivered request path. The issue has been fixed in version 0.3.15.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-17 14:02 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-48775 (GCVE-0-2026-48775)

    Vulnerability from nvd – Published: 2026-06-16 17:53 – Updated: 2026-06-16 18:42
    VLAI
    Title
    LangGraph Checkpoint: Unsafe JSON deserialization in checkpoint loading
    Summary
    LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 4.1.0 and prior, the JsonPlusSerializer can reconstruct Python objects from JSON checkpoint payloads. Under conditions where someone could modify checkpoint bytes at rest in the backing store, the deserialization path could reconstruct objects beyond what the application expects, which could in turn result in code execution at checkpoint load time. This is a defense-in-depth issue. The affected behavior is reachable only when checkpoint bytes at rest in the backing store can be modified by an unauthorized party. In most deployments that prerequisite already implies a serious incident; the additional concern is turning "checkpoint-store write access" into code execution in the application runtime. This issue has been fixed in version 4.1.1.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-16 18:41 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    • CWE-913 - Improper Control of Dynamically-Managed Code Resources
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-45134 (GCVE-0-2026-45134)

    Vulnerability from nvd – Published: 2026-05-27 19:35 – Updated: 2026-06-02 18:13
    VLAI
    Title
    LangSmith Client SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning
    Summary
    LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to LangSmith SDK Python 0.8.0 and JS/TS 0.6.0, the LangSmith SDK's prompt pull methods (pull_prompt / pull_prompt_commit in Python, pullPrompt / pullPromptCommit in JS/TS) fetch and deserialize prompt manifests from the LangSmith Hub. These manifests may contain serialized LangChain objects and model configuration that affect runtime behavior. When pulling a public prompt by owner/name identifier, the manifest content is controlled by an external party, but prior versions of the SDK did not distinguish this from pulling a prompt within the caller's own organization. This vulnerability is fixed in LangSmith SDK Python 0.8.0 and JS/TS 0.6.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-02 18:13 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    References
    Impacted products
    Vendor Product Version
    langchain-ai langsmith-sdk Affected: < 0.8.0
    Affected: < 0.6.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-44843 (GCVE-0-2026-44843)

    Vulnerability from nvd – Published: 2026-05-26 19:47 – Updated: 2026-05-27 14:07
    VLAI
    Title
    LangChain: Unsafe deserialization of attacker-controlled LangChain objects through overly broad `load()` allowlists
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 0.3.85 and 1.3.3, LangChain contains older runtime code paths that deserialize run inputs, run outputs, or other application-controlled payloads using overly broad object allowlists. These paths may call load() with allowed_objects="all". This does not enable arbitrary Python object deserialization, but it does allow any trusted LangChain-serializable object to be revived, which is broader than these runtime paths require. As a result, attacker-supplied LangChain serialized constructor dictionaries may cause trusted runtime paths to instantiate classes with untrusted constructor arguments. This vulnerability is fixed in 0.3.85 and 1.3.3.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-05-27 14:06 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    References
    Impacted products
    Vendor Product Version
    langchain-ai langchain Affected: < 0.3.85
    Affected: >= 1.0.0a1, < 1.3.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-41488 (GCVE-0-2026-41488)

    Vulnerability from nvd – Published: 2026-04-24 20:57 – Updated: 2026-04-27 13:40
    VLAI
    Title
    angchain-openai: Image token counting SSRF protection can be bypassed via DNS rebinding
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS resolution. This left a TOCTOU / DNS rebinding window: an attacker-controlled hostname could resolve to a public IP during validation and then to a private/localhost IP during the actual fetch.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-27 13:40 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-41481 (GCVE-0-2026-41481)

    Vulnerability from nvd – Published: 2026-04-24 20:54 – Updated: 2026-07-15 00:59
    VLAI
    Title
    LangChain: HTMLHeaderTextSplitter.split_text_from_url SSRF Redirect Bypass
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to langchain-text-splitters 1.1.2, HTMLHeaderTextSplitter.split_text_from_url() validated the initial URL using validate_safe_url() but then performed the fetch with requests.get() with redirects enabled (the default). Because redirect targets were not revalidated, a URL pointing to an attacker-controlled server could redirect to internal, localhost, or cloud metadata endpoints, bypassing SSRF protections. The response body is parsed and returned as Document objects to the calling application code. Whether this constitutes a data exfiltration path depends on the application: if it exposes Document contents (or derivatives) back to the requester who supplied the URL, sensitive data from internal endpoints could be leaked. Applications that store or process Documents internally without returning raw content to the requester are not directly exposed to data exfiltration through this issue. This vulnerability is fixed in 1.1.2.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-25 01:54 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Show details on NVD website

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    CVE-2026-55253 (GCVE-0-2026-55253)

    Vulnerability from cvelistv5 – Published: 2026-09-14 17:09 – Updated: 2026-09-14 20:06
    VLAI
    Title
    LangChain MongoDB: NoSQL Operator Injection in MongoDBSaver.list() leading to cross-tenant data exposure
    Summary
    LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph. Prior to langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0, MongoDBSaver.list(), MongoDBSaver.alist(), and MongoDBStore.search() incorporate filter dictionaries into MongoDB queries without recursively rejecting keys prefixed with $. An authenticated caller who controls a filter argument through HTTP query parameters, request body fields, or agent tool arguments can inject MongoDB Query Language operators such as $regex or $where. In a multi-tenant deployment that uses the filter to enforce per-user or per-tenant isolation, injected operators can bypass intended equality filtering and expose other tenants' checkpoint or store data. Filters constructed entirely from trusted server-side values have lower practical risk. This issue is fixed in langgraph-checkpoint-mongodb 0.3.0 and langgraph-store-mongodb 0.4.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 19:20 UTC
    CWE
    • CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
    Show details on NVD website

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    CVE-2026-55235 (GCVE-0-2026-55235)

    Vulnerability from cvelistv5 – Published: 2026-09-14 15:53 – Updated: 2026-09-16 15:14
    VLAI
    Title
    langgraph-api: Relative webhook targets in LangGraph Server can reach in-process routes without authentication
    Summary
    langgraph-api implements the LangGraph API for rapid development and testing. Prior to 0.10.0, langgraph-api permits a run or cron to specify a relative webhook target that is delivered through an in-process loopback transport, and the authentication middleware treats that transport as internal without applying the authentication context used for external requests. In deployments that rely on per-user authorization to separate threads and runs, an authenticated user can direct a webhook to the server's own thread and run routes, allowing creation of a run on or modification of another user's thread and limited incorporation of the targeted thread's metadata into the created run record. The affected path requires webhook targets and per-user authorization boundaries; deployments that deliberately re-enable loopback delivery should restrict it to controlled same-process routes because those webhooks remain unauthenticated. This issue is fixed in version 0.10.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-16 15:14 UTC
    CWE
    • CWE-287 - Improper Authentication
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph-api Affected: < 0.10.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55236 (GCVE-0-2026-55236)

    Vulnerability from cvelistv5 – Published: 2026-09-14 15:51 – Updated: 2026-09-14 16:42
    VLAI
    Title
    langgraph-api: Incomplete assistant authorization in LangGraph Server run creation
    Summary
    langgraph-api implements the LangGraph API for rapid development and testing. Prior to 0.10.0, the langgraph-api run-creation path authorizes the assistant attached to a run by dispatching assistants.search with an incomplete value instead of the assistants.read event used by direct reads and cron creation. In deployments with custom resource handlers that register only assistants.read, omit an assistants.search handler, and have no global fallback handler, no applicable handler supplies an owner filter, allowing a low-privileged user to reference another user's private assistant through POST /runs or POST /threads/{thread_id}/runs. The run-creation response can disclose the private assistant's metadata, config, and context, and the run can execute using that assistant's configuration. Deployments without custom authorization handlers, or with an equivalent owner filter applied through a global handler or across all assistant events, are not affected. This issue is fixed in version 0.10.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 16:41 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph-api Affected: < 0.10.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-72848 (GCVE-0-2026-72848)

    Vulnerability from cvelistv5 – Published: 2026-08-20 21:57 – Updated: 2026-09-24 14:19 Unsupported When Assigned
    VLAI
    Title
    langchain-community SitemapLoader Does Not Apply restrict_to_same_domain to Nested Sitemap Index Entries, Allowing Server-Side Request Forgery
    Summary
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    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-21 17:35 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Vendor Product Version
    langchain-ai langchain-community Affected: 0 , ≤ 0.4.2 (semver)
    Create a notification for this product.
    Date Public
    2026-07-12 00:00
    Show details on NVD website

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    CVE-2026-71433 (GCVE-0-2026-71433)

    Vulnerability from cvelistv5 – Published: 2026-08-06 19:03 – Updated: 2026-08-07 14:51
    VLAI
    Title
    LangGraph: Namespace prefix matching crosses segment boundaries in Postgres and SQLite stores
    Summary
    LangGraph Checkpoint Postgres and SQLite Checkpoint are the Postgres and SQLite implementations of LangGraph's checkpoint saver. Prior to 3.1.1, the langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite packages persisted hierarchical namespaces as a dot joined string and scoped reads by matching that string as a simple prefix pattern, so a read scoped to one namespace could also match a sibling namespace whose flattened form shares the same leading characters, or a namespace label containing unescaped pattern metacharacters, allowing an authenticated caller to retrieve stored items belonging to another tenant or user through an ordinary scoped search or list namespaces call, with no crafted input required. This issue is fixed in versions 3.1.1 of langgraph-checkpoint-postgres and langgraph-checkpoint-sqlite.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-07 14:51 UTC
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    • CWE-863 - Incorrect Authorization
    Show details on NVD website

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    CVE-2026-48121 (GCVE-0-2026-48121)

    Vulnerability from cvelistv5 – Published: 2026-08-04 16:49 – Updated: 2026-08-04 19:51
    VLAI
    Title
    @langchain/langgraph-checkpoint-mongodb: NoSQL parameter injection in MongoDBSaver allows cross-tenant state access
    Summary
    @langchain/langgraph-checkpoint-mongodb provides a LangGraph.js CheckpointSaver implementation that uses MongoDB for storage. Versions 1.3.0 and below are vulnerable to NoSQL injection: checkpoint identifiers (thread_id, checkpoint_ns, checkpoint_id) from config.configurable are passed into MongoDB find() queries in MongoDBSaver.getTuple() without type enforcement. If an attacker supplies an object payload (such as MongoDB operators $gt or $ne) instead of a string, it can be interpreted as a query operator, bypassing thread scoping and leaking checkpoints, including pending writes, across tenants. Applications are at risk if they forward untrusted input into config.configurable without coercing it to strings or validating it against a schema, particularly in multi-tenant or user-isolated setups. Apps that only use server-issued, string-typed identifiers with schema validation rejecting non-string fields are not affected. This issue has been fixed in version 1.3.1.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-04 19:15 UTC
    CWE
    • CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
    Impacted products
    Vendor Product Version
    langchain-ai langgraphjs Affected: < 1.3.1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-59152 (GCVE-0-2026-59152)

    Vulnerability from cvelistv5 – Published: 2026-07-06 14:26 – Updated: 2026-07-07 15:17
    VLAI
    Title
    Arbitrary server-side file read in LangSmith SDK TracingMiddleware
    Summary
    LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to 0.8.18, an attacker who can send an HTTP request to a server running the LangSmith SDK's TracingMiddleware can cause that server to read an arbitrary file from its local filesystem and upload the contents to LangSmith as a trace attachment. Depending on how the distributed trace system is deployed, triggering a read may not require authentication. Retrieving the contents requires read access to the LangSmith workspace the traces are sent to. The net effect is a trust-boundary crossing: a party with workspace trace-read access (for example a low-privilege workspace member, a contractor, or a compromised teammate account) gains the ability to read files from any server running TracingMiddleware, a capability outside that workspace's intended trust boundary. This vulnerability is fixed in 0.8.18.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-07 15:17 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-346 - Origin Validation Error
    • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
    References
    Impacted products
    Vendor Product Version
    langchain-ai langsmith-sdk Affected: < 0.8.18
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-14742 (GCVE-0-2026-14742)

    Vulnerability from cvelistv5 – Published: 2026-07-05 10:45 – Updated: 2026-07-06 17:59
    VLAI
    Title
    langchain-ai langgraph Task Result Cache _cache.py _freeze weak hash
    Summary
    A vulnerability was determined in langchain-ai langgraph up to 1.2.4. The affected element is the function _freeze of the file libs/langgraph/langgraph/_internal/_cache.py of the component Task Result Cache. This manipulation of the argument default_cache_key causes use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 17:59 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    langchain-ai langgraph Affected: 1.2.0
    Affected: 1.2.1
    Affected: 1.2.2
    Affected: 1.2.3
    Affected: 1.2.4
        cpe:2.3:a:langchain-ai:langgraph:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-55443 (GCVE-0-2026-55443)

    Vulnerability from cvelistv5 – Published: 2026-06-22 17:21 – Updated: 2026-06-22 19:52
    VLAI
    Title
    LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 1.3.9, several LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search agent middleware that validates a starting directory but not the search pattern or the resolved target of matched files, so glob patterns and symlinks can reach files outside the configured root; prompt- and chain/agent-configuration loaders that accept path fields and resolve them without confining the result to a trusted base or rejecting symlink targets; and path-prefix authorization checks that compare by string prefix without a path-segment boundary, so a sibling path sharing the prefix is accepted. When these components receive path values, search patterns, or workspace contents influenced by an untrusted source — including an LLM acting on untrusted input — the result can be disclosure of files outside the intended boundary. This vulnerability is fixed in 1.3.9.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-22 19:51 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-48776 (GCVE-0-2026-48776)

    Vulnerability from cvelistv5 – Published: 2026-06-16 19:51 – Updated: 2026-06-17 14:02
    VLAI
    Title
    LangGraph SDK has unsafe URL path construction
    Summary
    LangGraph Python SDK is used to connect to running LangGraph API servers, manage assistants, threads and stream runs from Python applications. Versions 0.3.14 and prior have unsafe URL path construction through unsanitized caller-supplied identifier values used in HTTP request paths for resource operations. Without sanitization of those values, identifiers that contain characters with special meaning in URL paths could cause the resulting request to address a different resource (and potentially a different resource type) than the SDK method's call site indicates. In deployments where the SDK receives identifier values that originate from untrusted sources, this could result in unintended access, modification, or deletion of resources beyond the calling user's authorization scope. This issue is most consequential in deployments that forward end-user-supplied values directly into SDK identifier parameters without first validating them against an expected format (such as a UUID), and rely on URL-prefix-based authorization at an upstream layer (reverse proxy, edge gateway, WAF), where the authorization decision is made on the SDK call's intended path rather than on the final delivered request path. The issue has been fixed in version 0.3.15.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-17 14:02 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-863 - Incorrect Authorization
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-48775 (GCVE-0-2026-48775)

    Vulnerability from cvelistv5 – Published: 2026-06-16 17:53 – Updated: 2026-06-16 18:42
    VLAI
    Title
    LangGraph Checkpoint: Unsafe JSON deserialization in checkpoint loading
    Summary
    LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 4.1.0 and prior, the JsonPlusSerializer can reconstruct Python objects from JSON checkpoint payloads. Under conditions where someone could modify checkpoint bytes at rest in the backing store, the deserialization path could reconstruct objects beyond what the application expects, which could in turn result in code execution at checkpoint load time. This is a defense-in-depth issue. The affected behavior is reachable only when checkpoint bytes at rest in the backing store can be modified by an unauthorized party. In most deployments that prerequisite already implies a serious incident; the additional concern is turning "checkpoint-store write access" into code execution in the application runtime. This issue has been fixed in version 4.1.1.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-16 18:41 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    • CWE-913 - Improper Control of Dynamically-Managed Code Resources
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-45134 (GCVE-0-2026-45134)

    Vulnerability from cvelistv5 – Published: 2026-05-27 19:35 – Updated: 2026-06-02 18:13
    VLAI
    Title
    LangSmith Client SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning
    Summary
    LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to LangSmith SDK Python 0.8.0 and JS/TS 0.6.0, the LangSmith SDK's prompt pull methods (pull_prompt / pull_prompt_commit in Python, pullPrompt / pullPromptCommit in JS/TS) fetch and deserialize prompt manifests from the LangSmith Hub. These manifests may contain serialized LangChain objects and model configuration that affect runtime behavior. When pulling a public prompt by owner/name identifier, the manifest content is controlled by an external party, but prior versions of the SDK did not distinguish this from pulling a prompt within the caller's own organization. This vulnerability is fixed in LangSmith SDK Python 0.8.0 and JS/TS 0.6.0.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-02 18:13 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    References
    Impacted products
    Vendor Product Version
    langchain-ai langsmith-sdk Affected: < 0.8.0
    Affected: < 0.6.0
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-44843 (GCVE-0-2026-44843)

    Vulnerability from cvelistv5 – Published: 2026-05-26 19:47 – Updated: 2026-05-27 14:07
    VLAI
    Title
    LangChain: Unsafe deserialization of attacker-controlled LangChain objects through overly broad `load()` allowlists
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 0.3.85 and 1.3.3, LangChain contains older runtime code paths that deserialize run inputs, run outputs, or other application-controlled payloads using overly broad object allowlists. These paths may call load() with allowed_objects="all". This does not enable arbitrary Python object deserialization, but it does allow any trusted LangChain-serializable object to be revived, which is broader than these runtime paths require. As a result, attacker-supplied LangChain serialized constructor dictionaries may cause trusted runtime paths to instantiate classes with untrusted constructor arguments. This vulnerability is fixed in 0.3.85 and 1.3.3.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-05-27 14:06 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    References
    Impacted products
    Vendor Product Version
    langchain-ai langchain Affected: < 0.3.85
    Affected: >= 1.0.0a1, < 1.3.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-41488 (GCVE-0-2026-41488)

    Vulnerability from cvelistv5 – Published: 2026-04-24 20:57 – Updated: 2026-04-27 13:40
    VLAI
    Title
    angchain-openai: Image token counting SSRF protection can be bypassed via DNS rebinding
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS resolution. This left a TOCTOU / DNS rebinding window: an attacker-controlled hostname could resolve to a public IP during validation and then to a private/localhost IP during the actual fetch.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-27 13:40 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    References
    Impacted products
    Show details on NVD website

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    CVE-2026-41481 (GCVE-0-2026-41481)

    Vulnerability from cvelistv5 – Published: 2026-04-24 20:54 – Updated: 2026-07-15 00:59
    VLAI
    Title
    LangChain: HTMLHeaderTextSplitter.split_text_from_url SSRF Redirect Bypass
    Summary
    LangChain is a framework for building agents and LLM-powered applications. Prior to langchain-text-splitters 1.1.2, HTMLHeaderTextSplitter.split_text_from_url() validated the initial URL using validate_safe_url() but then performed the fetch with requests.get() with redirects enabled (the default). Because redirect targets were not revalidated, a URL pointing to an attacker-controlled server could redirect to internal, localhost, or cloud metadata endpoints, bypassing SSRF protections. The response body is parsed and returned as Document objects to the calling application code. Whether this constitutes a data exfiltration path depends on the application: if it exposes Document contents (or derivatives) back to the requester who supplied the URL, sensitive data from internal endpoints could be leaked. Applications that store or process Documents internally without returning raw content to the requester are not directly exposed to data exfiltration through this issue. This vulnerability is fixed in 1.1.2.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-25 01:54 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Impacted products
    Show details on NVD website

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