Common Weakness Enumeration

CWE-502

Allowed

Deserialization of Untrusted Data

Abstraction: Base · Status: Draft

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

5687 vulnerabilities reference this CWE, most recent first.

CVE-2026-109391 (GCVE-0-2026-109391)

Vulnerability from cvelistv5 – Published: 2026-10-12 15:16 – Updated: 2026-10-12 15:16 Unsupported When Assigned
VLAI
Title
Square Squash through commit e73f280 Unauthenticated YAML Deserialization via Symbolication API
Summary
Square Squash through commit e73f280 contains an insecure deserialization vulnerability that allows unauthenticated attackers to store crafted YAML via the POST /api/1.0/symbolication endpoint. When occurrences referencing the attacker-controlled symbolication UUID are symbolicated, the stored values are passed to YAML.load with SafeYAML in unsafe mode, enabling arbitrary Ruby object deserialization and potential code execution.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5715 records in the last 180 days details
Impacted products
Vendor Product Version
Square Squash Affected: 0 , ≤ e73f2805f9eb30780a5c213b001f0f4255660fbf (git)
Create a notification for this product.
Date Public
2026-10-12 00:00
Show details on NVD website

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CVE-2026-109361 (GCVE-0-2026-109361)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-12 16:05
VLAI
Title
MONAI 1.2.0 before 1.6.1 Insecure Deserialization RCE via nnUNetV2Runner postprocessing_file Path
Summary
MONAI 1.2.0 before 1.6.1 contains an insecure deserialization vulnerability in nnUNetV2Runner that unpickles the postprocessing_file path read from inference_information.json without confining it to the results directory. Attackers who can modify inference_information.json can point it at a malicious pickle elsewhere on the filesystem to execute code when predict_ensemble_postprocessing runs.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5715 records in the last 180 days details
Impacted products
Vendor Product Version
Project-MONAI MONAI Affected: 1.2.0 , < 1.6.1 (semver)
Unaffected: 1.6.1 (semver)
    cpe:2.3:a:project-monai:monai:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-27 00:00
Credits
Show details on NVD website

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CVE-2026-109360 (GCVE-0-2026-109360)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:05 – Updated: 2026-10-12 16:05
VLAI
Title
MONAI 0.4.0 before 1.6.1 RCE via SENet Pretrained Weights Over Plaintext HTTP
Summary
MONAI 0.4.0 before 1.6.1 contains a remote code execution vulnerability that allows on-path attackers to execute code by tampering with SENet pretrained weights fetched over plaintext HTTP. Attackers can substitute a crafted .pth file that load_state_dict_from_url unpickles without weights_only=True, executing code when SEResNet50 or other SENet models are constructed with pretrained=True.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5715 records in the last 180 days details
References
Impacted products
Vendor Product Version
Project-MONAI MONAI Affected: 0.4.0 , < 1.6.1 (semver)
Unaffected: 1.6.1 (semver)
    cpe:2.3:a:project-monai:monai:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-27 00:00
Credits
Show details on NVD website

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CVE-2026-109237 (GCVE-0-2026-109237)

Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-12 16:04
VLAI
Title
Crawl4AI 0.9.0 before 0.9.4 Untrusted Config Gate Bypass Leaks Environment Variables
Summary
Crawl4AI from 0.9.0 before 0.9.4 contains an untrusted-config gate bypass that allows non-admin API clients to construct forbidden config objects by wrapping them in dict-type wrappers. Attackers can send a laundered LLMConfig with api_token set to an env reference via /config/dump to read SECRET_KEY and provider keys, enabling admin JWT forgery.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5715 records in the last 180 days details
References
Impacted products
Vendor Product Version
unclecode crawl4ai Affected: 0.9.0 , < 0.9.4 (semver)
Unaffected: 0.9.4 (semver)
Create a notification for this product.
Date Public
2026-09-23 00:00
Credits
Show details on NVD website

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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.
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 90/100 over 26 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.
Show details on NVD website

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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.
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 2812 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
Show details on NVD website

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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.
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 7568 records in the last 180 days details
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

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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.
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 2812 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
Show details on NVD website

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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.
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 2812 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
Show details on NVD website

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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.
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 2812 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
Show details on NVD website

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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.