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.
5669 vulnerabilities reference this CWE, most recent first.
GHSA-6Q2P-XWGJ-7XW4
Vulnerability from github – Published: 2026-09-02 18:32 – Updated: 2026-09-02 18:32In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.
{
"affected": [],
"aliases": [
"CVE-2026-84650"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-02T16:17:29Z",
"severity": "HIGH"
},
"details": "In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.",
"id": "GHSA-6q2p-xwgj-7xw4",
"modified": "2026-09-02T18:32:12Z",
"published": "2026-09-02T18:32:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84650"
},
{
"type": "WEB",
"url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4032"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6Q3V-GFFG-53XH
Vulnerability from github – Published: 2022-08-26 00:03 – Updated: 2022-09-02 00:01An issue was discovered in Blue Prism Enterprise 6.0 through 7.01. In a misconfigured environment that exposes the Blue Prism Application server, it is possible for a domain authenticated user to send a crafted message to the Blue Prism Server and accomplish a remote code execution attack that is possible because of insecure deserialization. Exploitation of this vulnerability allows for code to be executed in the context of the Blue Prism Server service.
{
"affected": [],
"aliases": [
"CVE-2022-36119"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-08-25T23:15:00Z",
"severity": "HIGH"
},
"details": "An issue was discovered in Blue Prism Enterprise 6.0 through 7.01. In a misconfigured environment that exposes the Blue Prism Application server, it is possible for a domain authenticated user to send a crafted message to the Blue Prism Server and accomplish a remote code execution attack that is possible because of insecure deserialization. Exploitation of this vulnerability allows for code to be executed in the context of the Blue Prism Server service.",
"id": "GHSA-6q3v-gffg-53xh",
"modified": "2022-09-02T00:01:09Z",
"published": "2022-08-26T00:03:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-36119"
},
{
"type": "WEB",
"url": "https://blueprism.com"
},
{
"type": "WEB",
"url": "https://community.blueprism.com/discussion/security-vulnerability-notification-ssc-blue-prism-enterprise"
},
{
"type": "WEB",
"url": "https://portal.blueprism.com/security-vulnerabilities-august-2022"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6Q78-28QR-RQFX
Vulnerability from github – Published: 2023-07-10 21:31 – Updated: 2024-04-04 05:54?Delta Electronics InfraSuite Device Master versions prior to 1.0.7 contains classes that cannot be deserialized, which could allow an attack to remotely execute arbitrary code.
{
"affected": [],
"aliases": [
"CVE-2023-34347"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-07-10T19:15:09Z",
"severity": "CRITICAL"
},
"details": "\n\n\n?Delta Electronics InfraSuite Device Master versions prior to 1.0.7 contains classes that cannot be deserialized, which could allow an attack to remotely execute arbitrary code. \n\n\n\n",
"id": "GHSA-6q78-28qr-rqfx",
"modified": "2024-04-04T05:54:02Z",
"published": "2023-07-10T21:31:01Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-34347"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-01"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6Q8C-85P2-954C
Vulnerability from github – Published: 2024-09-25 15:31 – Updated: 2024-09-25 15:31In Progress Telerik UI for WPF versions prior to 2024 Q3 (2024.3.924), a code execution attack is possible through an insecure deserialization vulnerability.
{
"affected": [],
"aliases": [
"CVE-2024-8316"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-25T14:15:06Z",
"severity": "HIGH"
},
"details": "In Progress Telerik UI for WPF versions prior to 2024 Q3 (2024.3.924), a code execution attack is possible through an insecure deserialization vulnerability.",
"id": "GHSA-6q8c-85p2-954c",
"modified": "2024-09-25T15:31:13Z",
"published": "2024-09-25T15:31:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8316"
},
{
"type": "WEB",
"url": "https://docs.telerik.com/devtools/wpf/knowledge-base/unsafe-deserialization-cve-2024-8316"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6QGQ-J23V-4P86
Vulnerability from github – Published: 2024-01-24 12:30 – Updated: 2026-04-28 21:33Deserialization of Untrusted Data vulnerability in QuantumCloud ChatBot with AI.This issue affects ChatBot with AI: from n/a through 5.1.0.
{
"affected": [],
"aliases": [
"CVE-2024-22309"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-24T12:15:58Z",
"severity": "HIGH"
},
"details": "Deserialization of Untrusted Data vulnerability in QuantumCloud ChatBot with AI.This issue affects ChatBot with AI: from n/a through 5.1.0.",
"id": "GHSA-6qgq-j23v-4p86",
"modified": "2026-04-28T21:33:51Z",
"published": "2024-01-24T12:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-22309"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/vulnerability/chatbot/wordpress-ai-chatbot-plugin-5-1-0-unauthenticated-php-object-injection-vulnerability?_s_id=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-6QGQ-PPGR-CRQX
Vulnerability from github – Published: 2026-09-14 21:31 – Updated: 2026-09-14 21:31IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, and 12.0.1.0 through 12.0.12.27 could allow a local attacker to execute arbitrary code due to insecure deserialization.
{
"affected": [],
"aliases": [
"CVE-2026-17156"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-14T20:16:41Z",
"severity": "HIGH"
},
"details": "IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, and 12.0.1.0 through 12.0.12.27 could allow a local attacker to execute arbitrary code due to insecure deserialization.",
"id": "GHSA-6qgq-ppgr-crqx",
"modified": "2026-09-14T21:31:44Z",
"published": "2026-09-14T21:31:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17156"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7286530"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6QJG-94Q2-5WVP
Vulnerability from github – Published: 2026-07-30 21:31 – Updated: 2026-07-30 21:31IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.
{
"affected": [],
"aliases": [
"CVE-2026-11536"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-30T20:16:52Z",
"severity": "HIGH"
},
"details": "IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.",
"id": "GHSA-6qjg-94q2-5wvp",
"modified": "2026-07-30T21:31:49Z",
"published": "2026-07-30T21:31:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11536"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7277544"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6QPH-W2VP-JM84
Vulnerability from github – Published: 2026-09-14 12:31 – Updated: 2026-09-14 12:31LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a reduce method to execute arbitrary code with Config Server process privileges.
{
"affected": [],
"aliases": [
"CVE-2026-90919"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-14T12:17:51Z",
"severity": "CRITICAL"
},
"details": "LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server\u0027s unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a __reduce__ method to execute arbitrary code with Config Server process privileges.",
"id": "GHSA-6qph-w2vp-jm84",
"modified": "2026-09-14T12:31:41Z",
"published": "2026-09-14T12:31:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90919"
},
{
"type": "WEB",
"url": "https://github.com/ModelTC/LightLLM/issues/1563"
},
{
"type": "WEB",
"url": "https://github.com/ModelTC/LightLLM/blob/v1.2.0/lightllm/server/config_server/api_http.py#L79-L86"
},
{
"type": "WEB",
"url": "https://github.com/ModelTC/lightllm"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-config-server-pickle-deserialization"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-6QR9-QVC2-68JC
Vulnerability from github – Published: 2025-10-22 15:31 – Updated: 2026-01-20 15:31Deserialization of Untrusted Data vulnerability in AncoraThemes BugsPatrol bugspatrol allows Object Injection.This issue affects BugsPatrol: from n/a through <= 1.5.0.
{
"affected": [],
"aliases": [
"CVE-2025-60225"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-10-22T15:15:59Z",
"severity": "CRITICAL"
},
"details": "Deserialization of Untrusted Data vulnerability in AncoraThemes BugsPatrol bugspatrol allows Object Injection.This issue affects BugsPatrol: from n/a through \u003c= 1.5.0.",
"id": "GHSA-6qr9-qvc2-68jc",
"modified": "2026-01-20T15:31:30Z",
"published": "2025-10-22T15:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-60225"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/Wordpress/Theme/bugspatrol/vulnerability/wordpress-bugspatrol-theme-1-5-0-php-object-injection-vulnerability?_s_id=cve"
},
{
"type": "WEB",
"url": "https://vdp.patchstack.com/database/Wordpress/Theme/bugspatrol/vulnerability/wordpress-bugspatrol-theme-1-5-0-php-object-injection-vulnerability"
},
{
"type": "WEB",
"url": "https://vdp.patchstack.com/database/Wordpress/Theme/bugspatrol/vulnerability/wordpress-bugspatrol-theme-1-5-0-php-object-injection-vulnerability?_s_id=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-6QV6-Q77G-7QM6
Vulnerability from github – Published: 2022-08-31 22:29 – Updated: 2022-09-08 14:26Impact
NVFLARE contains a vulnerability where deserialization of Untrusted Data due to Pickle usage may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity.
All versions before 2.1.4 are affected.
CVSS Score = 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Patches
The patch is included in nvflare==2.1.4 This new version uses MessagePack instead of Pickle to do serialization and deserialization.
Some object serializations supported by Pickle are not supported by MessagePack. We have provided out of box support for some built-in NVFLARE objects. For object serializations unsupported by MessagePack, the user will need to convert the objects to numpy or bytes before sending over to remote machines. The list of supported object types are listed in https://github.com/NVIDIA/NVFlare/blob/2.1/nvflare/fuel/utils/fobs/README.rst
Workarounds
No workarounds available.
Additional information
Issue Found by: Oliver Sellwood (Nintorac) and Elias Hohl
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "nvflare"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-34668"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2022-08-31T22:29:27Z",
"nvd_published_at": "2022-08-29T03:15:00Z",
"severity": "CRITICAL"
},
"details": "### Impact\nNVFLARE contains a vulnerability where deserialization of Untrusted Data due to Pickle usage may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity. \n\nAll versions before 2.1.4 are affected. \n\nCVSS Score = 9.8 \n \n[AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H](https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n\n\n### Patches\n \nThe patch is included in nvflare==2.1.4 \nThis new version uses MessagePack instead of Pickle to do serialization and deserialization. \n\nSome object serializations supported by Pickle are not supported by MessagePack. We have provided out of box support for some built-in NVFLARE objects. For object serializations unsupported by MessagePack, the user will need to convert the objects to numpy or bytes before sending over to remote machines. The list of supported object types are listed in https://github.com/NVIDIA/NVFlare/blob/2.1/nvflare/fuel/utils/fobs/README.rst \n\n \n### Workarounds\n\nNo workarounds available. \n \n### Additional information \nIssue Found by: Oliver Sellwood (Nintorac) and Elias Hohl\n\n",
"id": "GHSA-6qv6-q77g-7qm6",
"modified": "2022-09-08T14:26:34Z",
"published": "2022-08-31T22:29:27Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/NVIDIA/NVFlare/security/advisories/GHSA-6qv6-q77g-7qm6"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-34668"
},
{
"type": "WEB",
"url": "https://github.com/NVIDIA/NVFlare/commit/6cde16f3f4711583ae4d896dfcc125d25c7d5b0d"
},
{
"type": "PACKAGE",
"url": "https://github.com/NVIDIA/NVFlare"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/nvflare/PYSEC-2022-257.yaml"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/171483/NVFLARE-Unsafe-Deserialization.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "NVFLARE unsafe deserialization due to Pickle"
}
Mitigation
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
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
Explicitly define a final object() to prevent deserialization.
Mitigation
- 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
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
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
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.