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.
4820 vulnerabilities reference this CWE, most recent first.
GHSA-JJQR-925Q-XR8X
Vulnerability from github – Published: 2024-09-24 03:30 – Updated: 2025-02-07 18:31The Easy Digital Downloads – Simple eCommerce for Selling Digital Files plugin for WordPress is vulnerable to deserialization of untrusted input via the 'upload[file]' parameter in versions up to, and including 3.3.3. This makes it possible for authenticated administrative users to call files using a PHAR wrapper, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present.
{
"affected": [],
"aliases": [
"CVE-2022-2439"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-24T03:15:02Z",
"severity": "HIGH"
},
"details": "The Easy Digital Downloads \u2013 Simple eCommerce for Selling Digital Files plugin for WordPress is vulnerable to deserialization of untrusted input via the \u0027upload[file]\u0027 parameter in versions up to, and including 3.3.3. This makes it possible for authenticated administrative users to call files using a PHAR wrapper, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present.",
"id": "GHSA-jjqr-925q-xr8x",
"modified": "2025-02-07T18:31:16Z",
"published": "2024-09-24T03:30:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2439"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset/3154854/easy-digital-downloads/tags/3.3.4/includes/admin/import/import-functions.php"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset/3154854/easy-digital-downloads/tags/3.3.4/src/Utils/FileSystem.php"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/644c8702-08ad-4048-ae91-041f1771f1dc?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-JJQV-CCQ3-8RQV
Vulnerability from github – Published: 2025-10-22 15:31 – Updated: 2026-01-20 15:31Deserialization of Untrusted Data vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Object Injection.This issue affects KBx Pro Ultimate: from n/a through <= 8.0.5.
{
"affected": [],
"aliases": [
"CVE-2025-60232"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-10-22T15:16:00Z",
"severity": "CRITICAL"
},
"details": "Deserialization of Untrusted Data vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Object Injection.This issue affects KBx Pro Ultimate: from n/a through \u003c= 8.0.5.",
"id": "GHSA-jjqv-ccq3-8rqv",
"modified": "2026-01-20T15:31:31Z",
"published": "2025-10-22T15:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-60232"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/Wordpress/Plugin/knowledgebase-helpdesk-pro/vulnerability/wordpress-kbx-pro-ultimate-plugin-8-0-5-php-object-injection-vulnerability?_s_id=cve"
},
{
"type": "WEB",
"url": "https://vdp.patchstack.com/database/Wordpress/Plugin/knowledgebase-helpdesk-pro/vulnerability/wordpress-kbx-pro-ultimate-plugin-8-0-5-php-object-injection-vulnerability"
},
{
"type": "WEB",
"url": "https://vdp.patchstack.com/database/Wordpress/Plugin/knowledgebase-helpdesk-pro/vulnerability/wordpress-kbx-pro-ultimate-plugin-8-0-5-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-JJQV-CPG4-VP45
Vulnerability from github – Published: 2024-04-11 03:34 – Updated: 2024-04-11 03:34Deserialization of Untrusted Data vulnerability in PropertyHive.This issue affects PropertyHive: from n/a through 2.0.9.
{
"affected": [],
"aliases": [
"CVE-2024-27985"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-11T01:25:07Z",
"severity": "MODERATE"
},
"details": "Deserialization of Untrusted Data vulnerability in PropertyHive.This issue affects PropertyHive: from n/a through 2.0.9.\n\n",
"id": "GHSA-jjqv-cpg4-vp45",
"modified": "2024-04-11T03:34:59Z",
"published": "2024-04-11T03:34:59Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27985"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/vulnerability/propertyhive/wordpress-propertyhive-plugin-2-0-9-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:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-JJVC-V8GW-5255
Vulnerability from github – Published: 2024-07-15 09:36 – Updated: 2024-07-15 17:36In Apache Linkis <= 1.5.0, data source management module, when adding Mysql data source, exists remote code execution vulnerability for java version < 1.8.0_241. The deserialization vulnerability exploited through jrmp can inject malicious files into the server and execute them.
This attack requires the attacker to obtain an authorized account from Linkis before it can be carried out. We recommend that users upgrade the java version to >= 1.8.0_241. Or users upgrade Linkis to version 1.6.0.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.linkis:linkis-datasource"
},
"ranges": [
{
"events": [
{
"introduced": "1.4.0"
},
{
"fixed": "1.6.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-46801"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2024-07-15T17:36:37Z",
"nvd_published_at": "2024-07-15T08:15:02Z",
"severity": "HIGH"
},
"details": "In Apache Linkis \u003c= 1.5.0, data source management module, when adding Mysql data source, exists remote code execution vulnerability for java version \u003c 1.8.0_241. The deserialization vulnerability exploited through jrmp can inject malicious files into the server and execute them. \n\nThis attack requires the attacker to obtain an authorized account from Linkis before it can be carried out.\u00a0 We recommend that users upgrade the java version to \u003e= 1.8.0_241. Or users upgrade Linkis to version 1.6.0.\n\n",
"id": "GHSA-jjvc-v8gw-5255",
"modified": "2024-07-15T17:36:38Z",
"published": "2024-07-15T09:36:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46801"
},
{
"type": "PACKAGE",
"url": "https://github.com/apache/linkis"
},
{
"type": "WEB",
"url": "https://linkis.apache.org/download/release-notes-1.6.0"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread/0dnzh64xy1n7qo3rgo2loz9zn7m9xgdx"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Apache Linkis DataSource remote code execution vulnerability"
}
GHSA-JJW5-XXJ6-PCV5
Vulnerability from github – Published: 2022-05-24 17:17 – Updated: 2024-10-22 17:21scikit-learn (aka sklearn) through 0.23.0 can unserialize and execute commands from an untrusted file that is passed to the joblib.load() function, if __reduce__ makes an os.system call.
NOTE: third parties dispute this issue because the joblib.load() function is documented as unsafe and it is the user's responsibility to use the function in a secure manner.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "scikit-learn"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "0.23.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2020-13092"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2024-04-22T22:55:41Z",
"nvd_published_at": "2020-05-15T19:15:00Z",
"severity": "CRITICAL"
},
"details": "scikit-learn (aka sklearn) through 0.23.0 can unserialize and execute commands from an untrusted file that is passed to the `joblib.load()` function, if `__reduce__` makes an `os.system call`.\nNOTE: third parties dispute this issue because the joblib.load() function is documented as unsafe and it is the user\u0027s responsibility to use the function in a secure manner.",
"id": "GHSA-jjw5-xxj6-pcv5",
"modified": "2024-10-22T17:21:50Z",
"published": "2022-05-24T17:17:59Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13092"
},
{
"type": "WEB",
"url": "https://github.com/0FuzzingQ/vuln/blob/master/sklearn%20unserialize.md"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/scikit-learn/PYSEC-2020-107.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/scikit-learn/scikit-learn"
},
{
"type": "WEB",
"url": "https://scikit-learn.org/stable/modules/model_persistence.html#security-maintainability-limitations"
}
],
"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": "scikit-learn Deserialization of Untrusted Data"
}
GHSA-JJX8-5XQ7-QFX6
Vulnerability from github – Published: 2025-12-16 18:31 – Updated: 2025-12-16 18:31NVIDIA Isaac Lab contains a deserialization vulnerability. A successful exploit of this vulnerability might lead to code execution.
{
"affected": [],
"aliases": [
"CVE-2025-33210"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-16T18:16:11Z",
"severity": "CRITICAL"
},
"details": "NVIDIA Isaac Lab contains a deserialization vulnerability. A successful exploit of this vulnerability might lead to code execution.",
"id": "GHSA-jjx8-5xq7-qfx6",
"modified": "2025-12-16T18:31:35Z",
"published": "2025-12-16T18:31:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33210"
},
{
"type": "WEB",
"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5733"
},
{
"type": "WEB",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-33210"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-JM35-QH64-MX86
Vulnerability from github – Published: 2024-11-18 15:33 – Updated: 2026-04-01 18:32Deserialization of Untrusted Data vulnerability in NIX Solutions Ltd NIX Anti-Spam Light allows Object Injection.This issue affects NIX Anti-Spam Light: from n/a through 0.0.4.
{
"affected": [],
"aliases": [
"CVE-2024-52432"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-18T15:15:07Z",
"severity": "CRITICAL"
},
"details": "Deserialization of Untrusted Data vulnerability in NIX Solutions Ltd NIX Anti-Spam Light allows Object Injection.This issue affects NIX Anti-Spam Light: from n/a through 0.0.4.",
"id": "GHSA-jm35-qh64-mx86",
"modified": "2026-04-01T18:32:25Z",
"published": "2024-11-18T15:33:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52432"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/Wordpress/Plugin/nix-anti-spam-light/vulnerability/wordpress-nix-anti-spam-light-plugin-0-0-4-php-object-injection-vulnerability?_s_id=cve"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/vulnerability/nix-anti-spam-light/wordpress-nix-anti-spam-light-plugin-0-0-4-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-JM66-CG57-JJV5
Vulnerability from github – Published: 2026-01-13 21:31 – Updated: 2026-01-13 21:57Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "azure-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.38.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-21226"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2026-01-13T21:57:47Z",
"nvd_published_at": "2026-01-13T19:16:23Z",
"severity": "HIGH"
},
"details": "Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.",
"id": "GHSA-jm66-cg57-jjv5",
"modified": "2026-01-13T21:57:47Z",
"published": "2026-01-13T21:31:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21226"
},
{
"type": "PACKAGE",
"url": "https://github.com/Azure/azure-sdk-for-python"
},
{
"type": "WEB",
"url": "https://github.com/Azure/azure-sdk-for-python/blob/6d2e6431ea0991861640e449e51e894247a7771a/sdk/core/azure-core/CHANGELOG.md#1380-2026-01-12"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21226"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Azure Core is vulnerable to deserialization of untrusted data"
}
GHSA-JM7R-4PG6-GF26
Vulnerability from github – Published: 2023-08-25 21:30 – Updated: 2023-08-31 18:55An issue was discovered in Esoteric YamlBeans through 1.15. It allows untrusted deserialisation to Java classes by default, where the data and class are controlled by the author of the YAML document being processed.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "com.esotericsoftware.yamlbeans:yamlbeans"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "1.15"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-24621"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2023-08-25T22:03:42Z",
"nvd_published_at": "2023-08-25T20:15:07Z",
"severity": "HIGH"
},
"details": "An issue was discovered in Esoteric YamlBeans through 1.15. It allows untrusted deserialisation to Java classes by default, where the data and class are controlled by the author of the YAML document being processed.",
"id": "GHSA-jm7r-4pg6-gf26",
"modified": "2023-08-31T18:55:02Z",
"published": "2023-08-25T21:30:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-24621"
},
{
"type": "WEB",
"url": "https://contrastsecurity.com"
},
{
"type": "WEB",
"url": "https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md"
},
{
"type": "WEB",
"url": "https://github.com/EsotericSoftware"
},
{
"type": "PACKAGE",
"url": "https://github.com/EsotericSoftware/yamlbeans"
}
],
"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"
}
],
"summary": "Esoteric YamlBeans Unsafe Deserialization vulnerability"
}
GHSA-JMCG-3G9C-W77V
Vulnerability from github – Published: 2023-04-05 18:30 – Updated: 2023-04-05 18:30Deserialization of Untrusted Data in GitHub repository microweber/microweber prior to 1.3.3.
{
"affected": [],
"aliases": [
"CVE-2023-1876"
],
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-04-05T17:15:00Z",
"severity": null
},
"details": "Deserialization of Untrusted Data in GitHub repository microweber/microweber prior to 1.3.3.",
"id": "GHSA-jmcg-3g9c-w77v",
"modified": "2023-04-05T18:30:18Z",
"published": "2023-04-05T18:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1876"
},
{
"type": "WEB",
"url": "https://github.com/microweber/microweber/commit/039e33b446a5bc0dc028c5bc6e0a1c4056046b03"
},
{
"type": "WEB",
"url": "https://huntr.dev/bounties/15b06488-5849-47ce-aaf4-81d4c3c202e2"
}
],
"schema_version": "1.4.0",
"severity": []
}
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.