Common Weakness Enumeration
CWE-862
Allowed-with-ReviewMissing Authorization
Abstraction: Class · Status: Incomplete
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
14556 vulnerabilities reference this CWE, most recent first.
CVE-2026-54027 (GCVE-0-2026-54027)
Vulnerability from cvelistv5 – Published: 2026-06-25 15:52 – Updated: 2026-06-26 15:20
VLAI
EPSS
VEX
Title
LibreChat: Image Upload Route Bypasses Agent Permission Check — Incomplete Fix for File Upload Authorization
Summary
LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/files/images endpoint allows any authenticated user to upload files into any agent's tool_resources (e.g., context, execute_code) without verifying ownership or EDIT permission on the target agent. A permission check was added to the POST /api/files route in a previous patch, but the image upload route was never updated with the same check. An attacker can simply use the image endpoint instead of the file endpoint to bypass the authorization entirely. This vulnerability is fixed in 0.8.4-rc1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/danny-avila/LibreChat/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| danny-avila | LibreChat |
Affected:
< 0.8.4-rc1
|
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CVE-2026-54019 (GCVE-0-2026-54019)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:41 – Updated: 2026-06-23 17:53
VLAI
EPSS
VEX
Title
Open WebUI: RAG ACL Bypass in Milvus Multitenancy Mode
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI added collection-level ACL checks, but the patch can still be bypassed when Milvus multitenancy mode is enabled. The ACL allows unknown non-KB collection names as legacy/ephemeral collections. In Milvus multitenancy mode, that user-controlled collection name becomes a resource_id and is interpolated into a Milvus expression without escaping. This is caused by an incomplete fix for CVE-2026-44560 This vulnerability is fixed in 0.9.6.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
< 0.9.6
|
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CVE-2026-54012 (GCVE-0-2026-54012)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:47 – Updated: 2026-06-24 03:56
VLAI
EPSS
VEX
Title
Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the referenced files. Open WebUI then treats meta.knowledge entries of type file as an authorization source in two places: the built-in view_file tool reads the file's extracted text, and has_access_to_file()'s model branch authorizes the file content and file delete endpoints. A malicious model owner can therefore attach another user's file ID to their model metadata and read or delete that private file. This vulnerability is fixed in 0.9.6.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
< 0.9.6
|
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CVE-2026-54010 (GCVE-0-2026-54010)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:48 – Updated: 2026-06-24 03:56
VLAI
EPSS
VEX
Title
Open WebUI: Forged chat-file link allows cross-user file read and deletion
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets an authenticated user attach arbitrary file_id values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, has_access_to_file() treats the victim file as accessible through the shared chat, and the file endpoints read or delete the victim file. This vulnerability is fixed in 0.9.6.
Severity
8.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
< 0.9.6
|
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CVE-2026-54005 (GCVE-0-2026-54005)
Vulnerability from cvelistv5 – Published: 2026-07-09 18:47 – Updated: 2026-07-14 01:14
VLAI
EPSS
VEX
Title
Kirby: `pages.access` permission is not checked in the `site/find` REST API route
Summary
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where a role has the pages.access permission disabled allowed authenticated users who know or guess page IDs or UUIDs to retrieve page information, including full content and metadata, for arbitrary published pages through the /api/site/find route without authorization to access those pages. This issue is fixed in versions 4.9.4 and 5.4.4.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/getkirby/kirby/security/adviso… | x_refsource_CONFIRM |
| https://github.com/getkirby/kirby/commit/a16dbd43… | x_refsource_MISC |
| https://github.com/getkirby/kirby/commit/b22d0b64… | x_refsource_MISC |
| https://github.com/getkirby/kirby/releases/tag/4.9.4 | x_refsource_MISC |
| https://github.com/getkirby/kirby/releases/tag/5.4.4 | x_refsource_MISC |
Impacted products
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CVE-2026-54004 (GCVE-0-2026-54004)
Vulnerability from cvelistv5 – Published: 2026-07-09 18:42 – Updated: 2026-07-09 19:48
VLAI
EPSS
VEX
Title
Kirby: Access to files of top-level drafts is not protected by permissions
Summary
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with content.fileRedirects enabled could redirect unauthenticated clean file URL requests for files stored in top-level draft pages to physical media URLs without checking page access permissions or preview tokens, leading to disclosure of draft file contents. This issue is fixed in versions 4.9.4 and 5.4.4.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/getkirby/kirby/security/adviso… | x_refsource_CONFIRM |
| https://github.com/getkirby/kirby/commit/5b9a0ed5… | x_refsource_MISC |
| https://github.com/getkirby/kirby/commit/bc721080… | x_refsource_MISC |
| https://github.com/getkirby/kirby/releases/tag/4.9.4 | x_refsource_MISC |
| https://github.com/getkirby/kirby/releases/tag/5.4.4 | x_refsource_MISC |
Impacted products
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CVE-2026-53866 (GCVE-0-2026-53866)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-18 03:56
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.12 - Allowlist Bypass in Shell Inline-Command Parsing
Summary
OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in shell inline-command parsing that allows authenticated operators to execute unapproved commands. A command request using shell inline-command forms could route through a parser case missing the expected allowlist decision, enabling shell content execution without intended approval prompts.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-all… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
Credits
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CVE-2026-53851 (GCVE-0-2026-53851)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-16 18:55 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass
Summary
OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-sla… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53850 (GCVE-0-2026-53850)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-16 18:38 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.4.25 - Control Scope Enforcement Bypass in Focus Command
Summary
OpenClaw before 2026.4.25 contains a control scope enforcement bypass vulnerability in the focus command that allows authenticated callers to execute the command without proper authorization checks. Attackers can trigger the focus command to change focus state outside intended caller authority, potentially enabling unauthorized operations depending on gateway configuration and input trust levels.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-con… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53844 (GCVE-0-2026-53844)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:04 – Updated: 2026-06-16 18:39 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.4.29 - Session Visibility Check Bypass in Shared Memory Search
Summary
OpenClaw before 2026.4.29 contains a session visibility check bypass vulnerability in shared memory search that allows authenticated callers to access memory entries without proper authorization. Attackers can skip session visibility guards on the search path to retrieve memory entries that should not be visible to their session.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-ses… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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Mitigation
Architecture and Design
- Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
- Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
Mitigation
Architecture and Design
Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
Mitigation MIT-4.4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
Mitigation
Architecture and Design
- For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
- One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
Mitigation
System Configuration
Installation
Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.
CAPEC-665: Exploitation of Thunderbolt Protection Flaws
An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.