Common Weakness Enumeration

CWE-502

Allowed

Deserialization of Untrusted Data

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

5785 vulnerabilities reference this CWE, most recent first.

CVE-2026-107436 (GCVE-0-2026-107436)

Vulnerability from cvelistv5 – Published: 2026-10-18 11:00 – Updated: 2026-10-19 18:44 X_Open Source
VLAI
Title
WordPress Strong Testimonials plugin <= 3.3.12 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in WP Chill Strong Testimonials strong-testimonials allows Object Injection.This issue affects Strong Testimonials: from n/a through 3.3.12.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 18:44 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
WP Chill Strong Testimonials Affected: 0 , ≤ 3.3.12 (custom)
Create a notification for this product.
Date Public
2026-10-16 10:41
Credits
Ayukiab | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-107104 (GCVE-0-2026-107104)

Vulnerability from cvelistv5 – Published: 2026-10-07 08:25 – Updated: 2026-10-07 18:06
VLAI
Title
Unsafe Deserialization Vulnerability in Manacle Technologies ERP System
Summary
This vulnerability exists in the ERP system due to unsafe deserialization of user controlled data in the affected functionality. An unauthenticated remote attacker could exploit this vulnerability by supplying specially crafted data to the vulnerable functionality of the targeted system. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code, manipulate application data or perform other unintended actions on the targeted system.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 18:06 UTC
CWE
  • CWE-502 - Deserialization of untrusted data
Assigner
CERT-In CNA under the mitre root
CNA scorecard B 89/100 over 22 records in the last 180 days details
References
Impacted products
Vendor Product Version
Manacle Technologies Multi-tenant ERP System Affected: version
    cpe:2.3:a:manacle_technologies:multi-tenant_erp_system:version:*:*:*:*:*:*:*
Create a notification for this product.
Credits
This vulnerability is reported by Nisarga Adhikary.
Show details on NVD website
To clipboard 

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CVE-2026-106606 (GCVE-0-2026-106606)

Vulnerability from cvelistv5 – Published: 2026-10-10 07:00 – Updated: 2026-10-11 12:13 X_Open Source
VLAI
Title
WordPress YITH WooCommerce Affiliates plugin <= 3.31.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in YITH YITH WooCommerce Affiliates yith-woocommerce-affiliates allows Object Injection.This issue affects YITH WooCommerce Affiliates: from n/a through 3.31.0.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 12:03 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
YITH YITH WooCommerce Affiliates Affected: 0 , ≤ 3.31.0 (custom)
Create a notification for this product.
Date Public
2026-10-08 06:11
Credits
Ananda Dhakal (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2026-106599 (GCVE-0-2026-106599)

Vulnerability from cvelistv5 – Published: 2026-10-14 12:08 – Updated: 2026-10-14 17:32 X_Open Source
VLAI
Title
WordPress SureCart plugin <= 4.9.3 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Brainstorm Force SureCart surecart allows Object Injection.This issue affects SureCart: from n/a through 4.9.3.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 17:31 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Brainstorm Force SureCart Affected: 0 , ≤ 4.9.3 (custom)
Create a notification for this product.
Date Public
2026-10-12 11:22
Credits
Ananda Dhakal (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2026-106558 (GCVE-0-2026-106558)

Vulnerability from cvelistv5 – Published: 2026-10-07 14:45 – Updated: 2026-10-10 02:27
VLAI
Title
Backstage: Improper validation of TechDocs MkDocs configuration
Summary
Backstage is an open framework for building developer portals. Prior to 1.14.8, 1.15.6, and 2.0.1, the @backstage/plugin-techdocs-node package improperly validated mapping-style markdown_extensions configuration. An authenticated attacker who can register or influence an SCM-backed documentation source may bypass TechDocs sanitization and cause Python objects to be imported and instantiated in the generator runtime, leading to arbitrary code execution. Earlier fixes in versions 1.14.6 and 1.15.4 did not fully address the supported mapping representation of markdown_extensions. Impact is greatest when documentation generation runs with backend credentials, filesystem access, or internal network access. This issue is fixed in versions 1.14.8, 1.15.6, and 2.0.1.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-10 02:27 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7613 records in the last 180 days details
References
Impacted products
Vendor Product Version
backstage backstage Affected: < 1.50.7
Affected: >= 1.51.0-next.0, < 1.54.9
Affected: >= 1.55.0-next.0, < 1.55.2
Create a notification for this product.
@backstage plugin-techdocs-node Affected: < 1.14.8
Affected: >= 1.15.0, < 1.15.6
Affected: >= 2.0.0, < 2.0.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-105885 (GCVE-0-2026-105885)

Vulnerability from cvelistv5 – Published: 2026-10-10 14:00 – Updated: 2026-10-11 12:13 X_Open Source
VLAI
Title
WordPress Slider by 10Web plugin <= 1.2.62 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in 10Web Slider by 10Web slider-wd allows Object Injection.This issue affects Slider by 10Web: from n/a through 1.2.62.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 11:59 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
10Web Slider by 10Web Affected: 0 , ≤ 1.2.62 (custom)
Create a notification for this product.
Date Public
2026-10-08 13:04
Credits
Ananda Dhakal (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2026-105872 (GCVE-0-2026-105872)

Vulnerability from cvelistv5 – Published: 2026-10-09 12:08 – Updated: 2026-10-11 12:13 X_Open Source
VLAI
Title
WordPress Product Configurator for WooCommerce plugin <= 1.7.5 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in mklacroix Product Configurator for WooCommerce product-configurator-for-woocommerce allows Object Injection.This issue affects Product Configurator for WooCommerce: from n/a through 1.7.5.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 12:03 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
mklacroix Product Configurator for WooCommerce Affected: 0 , ≤ 1.7.5 (custom)
Create a notification for this product.
Date Public
2026-10-07 11:11
Credits
Ananda Dhakal (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2026-105442 (GCVE-0-2026-105442)

Vulnerability from cvelistv5 – Published: 2026-10-13 20:17 – Updated: 2026-10-14 16:56
VLAI
Title
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a deserialization of untrusted data
Summary
IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 16:55 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1278 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7292221 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM WebSphere Application Server Affected: 8.5
Affected: 9.0
    cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
Create a notification for this product.
IBM WebSphere Application Server - Liberty Affected: 17.0.0.3 , ≤ 26.0.0.10 (semver)
    cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-105436 (GCVE-0-2026-105436)

Vulnerability from cvelistv5 – Published: 2026-10-08 17:00 – Updated: 2026-10-09 15:15 X_Open Source
VLAI
Title
WordPress MainWP Child plugin <= 6.2.1 - Deserialization of untrusted data vulnerability
Summary
Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object Injection.This issue affects MainWP Child: from n/a through 6.2.1.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 15:00 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2956 records in the last 180 days details
References
Impacted products
Vendor Product Version
MainWP MainWP Child Affected: 0 , ≤ 6.2.1 (custom)
Create a notification for this product.
Date Public
2026-10-06 16:33
Credits
Rafie Muhammad | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-105192 (GCVE-0-2026-105192)

Vulnerability from cvelistv5 – Published: 2026-10-07 09:40 – Updated: 2026-10-07 17:48
VLAI
Title
LMCache Unauthenticated RCE in multiprocess mode via pickle deserialization
Summary
LMCache multiprocess mode, also called distributed mode, opens an unauthenticated ZeroMQ ROUTER so worker processes can register and share KV cache blocks. Messages on that socket are msgpack. Extension code 1 is passed to DeviceIPCWrapper.Deserialize, which calls pickle.loads, while the server is still decoding request arguments and before the handler runs. A single unauthenticated ZMQ DEALER message to the transport port (default 5555) therefore executes code as the user the LMCache process runs as. Official container images run that process as root. The transport binds to localhost unless the operator sets a routable address with --host, which is how multi-node deployments let peers connect.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 17:47 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
  • CWE-306 - Missing Authentication for Critical Function
Assigner
JFROG CNA under the mitre root
CNA scorecard C 75/100 over 62 records in the last 180 days details
References
Impacted products
Vendor Product Version
LMCache LMCache Affected: 0.3.9 , ≤ * (python)
Create a notification for this product.
Credits
Yuval Moravchick JFrog Security Research
Show details on NVD website
To clipboard 

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        "dateUpdated": "2026-10-07T09:40:11.449Z",
        "orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
        "shortName": "JFROG"
      },
      "references": [
        {
          "name": "LMCache repository",
          "tags": [
            "product"
          ],
          "url": "https://github.com/LMCache/LMCache"
        },
        {
          "name": "lmcache on PyPI",
          "tags": [
            "product"
          ],
          "url": "https://pypi.org/project/lmcache/"
        },
        {
          "name": "DeviceIPCWrapper.Deserialize calls pickle.loads (v0.5.5)",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/platform/base/ipc_wrapper.py"
        },
        {
          "name": "msgpack extension code 1 decoded with pickle (v0.3.9)",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/LMCache/LMCache/blob/v0.3.9/lmcache/v1/multiprocess/custom_types.py"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2025-10-29T21:47:00.000Z",
          "value": "LMCache v0.3.9 ships the multiprocess ZMQ transport and the pickle-backed msgpack extension"
        }
      ],
      "title": "LMCache Unauthenticated RCE in multiprocess mode via pickle deserialization",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
    "assignerShortName": "JFROG",
    "cveId": "CVE-2026-105192",
    "datePublished": "2026-10-07T09:40:11.449Z",
    "dateReserved": "2026-10-04T11:50:41.213Z",
    "dateUpdated": "2026-10-07T17:48:50.681Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
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.

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