Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
4919 vulnerabilities reference this CWE, most recent first.
CVE-2025-66571 (GCVE-0-2025-66571)
Vulnerability from cvelistv5 – Published: 2025-12-04 20:43 – Updated: 2026-07-28 01:48
VLAI
EPSS
VEX
Title
UNA CMS 9.0.0-RC1 - 14.0.0-RC4 PHP Object Injection
Summary
UNA CMS versions 9.0.0-RC1 - 14.0.0-RC4 contain a PHP object injection vulnerability in BxBaseMenuSetAclLevel.php where the profile_id POST parameter is passed to PHP unserialize() without proper handling, allowing remote, unauthenticated attackers to inject arbitrary PHP objects and potentially write and execute arbitrary PHP code.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/52139 | exploit |
| https://unacms.com | product |
| https://github.com/unacms/una | product |
| https://karmainsecurity.com/KIS-2025-01 | vdb-entry |
| https://www.vulncheck.com/advisories/una-cms-900-… | third-party-advisory |
Impacted products
Date Public
2025-04-08 00:00
Credits
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CVE-2025-66524 (GCVE-0-2025-66524)
Vulnerability from cvelistv5 – Published: 2025-12-19 09:24 – Updated: 2026-02-26 16:07
VLAI
EPSS
VEX
Title
Apache NiFi: Deserialization of Untrusted Data in GetAsanaObject Processor
Summary
Apache NiFi 1.20.0 through 2.6.0 include the GetAsanaObject Processor, which requires integration with a configurable Distribute Map Cache Client Service for storing and retrieving state information. The GetAsanaObject Processor used generic Java Object serialization and deserialization without filtering. Unfiltered Java object deserialization does not provide protection against crafted state information stored in the cache server configured for GetAsanaObject. Exploitation requires an Apache NiFi system running with the GetAsanaObject Processor, and direct access to the configured cache server. Upgrading to Apache NiFi 2.7.0 is the recommended mitigation, which replaces Java Object serialization with JSON serialization. Removing the GetAsanaObject Processor located in the nifi-asana-processors-nar bundle also prevents exploitation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache NiFi |
Affected:
1.20.0 , ≤ 2.6.0
(semver)
|
Credits
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CVE-2025-66214 (GCVE-0-2025-66214)
Vulnerability from cvelistv5 – Published: 2025-12-09 19:37 – Updated: 2025-12-09 20:35
VLAI
EPSS
VEX
Title
Ladybug has an XMLDecoder Deserialization Vulnerability (Java RCE)
Summary
Ladybug adds message-based debugging, unit, system, and regression testing to Java applications. Versions prior to 3.0-20251107.114628 contain the APIs /iaf/ladybug/api/report/{storage} and /iaf/ladybug/api/report/upload, which allow uploading gzip-compressed XML files with user-controllable content. The system deserializes these XML files, enabling attackers to achieve Remote Code Execution (RCE) by submitting carefully crafted XML payloads and thereby gain access to the target server. This issue is fixed in version 3.0-20251107.114628.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wearefrank/ladybug/security/ad… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wearefrank | ladybug |
Affected:
< 3.0-20251107.114628
|
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CVE-2025-66073 (GCVE-0-2025-66073)
Vulnerability from cvelistv5 – Published: 2025-11-21 12:29 – Updated: 2026-04-28 16:14
VLAI
EPSS
VEX
Title
WordPress WP Webhooks plugin <= 3.3.8 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Cozmoslabs WP Webhooks wp-webhooks allows Object Injection.This issue affects WP Webhooks: from n/a through <= 3.3.8.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cozmoslabs | WP Webhooks |
Affected:
0 , ≤ 3.3.8
(custom)
|
Date Public
2026-04-22 14:24
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CVE-2025-66055 (GCVE-0-2025-66055)
Vulnerability from cvelistv5 – Published: 2025-11-21 12:29 – Updated: 2026-04-28 19:06
VLAI
EPSS
VEX
Title
WordPress Email Subscribers & Newsletters plugin <= 5.9.10 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Icegram Email Subscribers & Newsletters email-subscribers allows Object Injection.This issue affects Email Subscribers & Newsletters: from n/a through <= 5.9.10.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Icegram | Email Subscribers & Newsletters |
Affected:
0 , ≤ 5.9.10
(custom)
|
Date Public
2026-04-01 16:01
Credits
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CVE-2025-65035 (GCVE-0-2025-65035)
Vulnerability from cvelistv5 – Published: 2025-12-19 16:35 – Updated: 2025-12-19 18:00
VLAI
EPSS
VEX
Title
GLPI Database Inventory Plugin Vulnerable to Stored Object Injection
Summary
pluginsGLPI's Database Inventory Plugin "manages" the Teclib' inventory agents in order to perform an inventory of the databases present on the workstation. Prior to version 1.1.2, in certain conditions (database write access must first be obtained through another vulnerability or misconfiguration), user-controlled data is stored insecurely in the database via computergroup, and is later unserialized on every page load, allowing arbitrary PHP object instantiation. Version 1.1.2 fixes the issue.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pluginsGLPI/databaseinventory/… | x_refsource_CONFIRM |
| https://github.com/pluginsGLPI/databaseinventory/… | x_refsource_MISC |
| https://github.com/pluginsGLPI/databaseinventory/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pluginsGLPI | databaseinventory |
Affected:
< 1.1.2
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CVE-2025-64512 (GCVE-0-2025-64512)
Vulnerability from cvelistv5 – Published: 2025-11-10 21:58 – Updated: 2026-01-08 22:04
VLAI
EPSS
VEX
Title
pdfminer.six vulnerable to Arbitrary Code Execution via Crafted PDF Input
Summary
Pdfminer.six is a community maintained fork of the original PDFMiner, a tool for extracting information from PDF documents. Prior to version 20251107, pdfminer.six will execute arbitrary code from a malicious pickle file if provided with a malicious PDF file. The `CMapDB._load_data()` function in pdfminer.six uses `pickle.loads()` to deserialize pickle files. These pickle files are supposed to be part of the pdfminer.six distribution stored in the `cmap/` directory, but a malicious PDF can specify an alternative directory and filename as long as the filename ends in `.pickle.gz`. A malicious, zipped pickle file can then contain code which will automatically execute when the PDF is processed. Version 20251107 fixes the issue.
Severity
8.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/pdfminer/pdfminer.six/security… | x_refsource_CONFIRM |
| https://github.com/pdfminer/pdfminer.six/commit/b… | x_refsource_MISC |
| https://github.com/pdfminer/pdfminer.six/releases… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… | |
| https://lists.debian.org/debian-lts-announce/2026… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pdfminer | pdfminer.six |
Affected:
< 20251107
|
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CVE-2025-64439 (GCVE-0-2025-64439)
Vulnerability from cvelistv5 – Published: 2025-11-07 20:15 – Updated: 2025-11-07 20:21
VLAI
EPSS
VEX
Title
LangGraph Checkpoint affected by RCE in "json" mode of JsonPlusSerializer
Summary
LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 2.1.2 and below, the JsonPlusSerializer (used as the default serialization protocol for all checkpointing) contains a Remote Code Execution (RCE) vulnerability when deserializing payloads saved in the "json" serialization mode. By default, the serializer attempts to use "msgpack" for serialization. However, prior to version 3.0 of the checkpointer library, if illegal Unicode surrogate values caused serialization to fail, it would fall back to using the "json" mode. This issue is fixed in version 3.0.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/langchain-ai/langgraph/securit… | x_refsource_CONFIRM |
| https://github.com/langchain-ai/langgraph/commit/… | x_refsource_MISC |
| https://github.com/langchain-ai/langgraph/blob/c5… | x_refsource_MISC |
| https://github.com/langchain-ai/langgraph/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| langchain-ai | langgraph |
Affected:
< 3.0.0
|
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CVE-2025-64408 (GCVE-0-2025-64408)
Vulnerability from cvelistv5 – Published: 2025-11-19 10:32 – Updated: 2026-02-26 16:21
VLAI
EPSS
VEX
Title
Apache Causeway: Java deserialization vulnerability to authenticated attackers
Summary
Apache Causeway faces Java deserialization vulnerabilities that allow remote code execution (RCE) through user-controllable URL parameters. These vulnerabilities affect all applications using Causeway's ViewModel functionality and can be exploited by authenticated attackers to execute arbitrary code with application privileges.
This issue affects all current versions.
Users are recommended to upgrade to version 3.5.0, which fixes the issue.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Causeway |
Affected:
2.0.0 , ≤ 3.4.0
(semver)
Affected: 4.0.0-M1 (semver) |
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CVE-2025-64353 (GCVE-0-2025-64353)
Vulnerability from cvelistv5 – Published: 2025-10-31 11:42 – Updated: 2026-04-28 18:30
VLAI
EPSS
VEX
Title
WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Date Public
2026-04-01 16:01
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Mitigation
Architecture and Design
Implementation
If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation
Implementation
When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation
Implementation
Explicitly define a final object() to prevent deserialization.
Mitigation
Architecture and Design
Implementation
- Make fields transient to protect them from deserialization.
- An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation
Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation
Architecture and Design
Implementation
Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection
An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.