Common Weakness Enumeration

CWE-502

Deserialization of Untrusted Data

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

CVE-2026-56700 (GCVE-0-2026-56700)

Vulnerability from cvelistv5 – Published: 2026-06-30 22:08 – Updated: 2026-07-01 14:40
VLAI
Title
Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection
Summary
Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize() calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget chain, arbitrary code execution where an attacker controls the serialized input. Additionally, InstallCommand's git clone operation passes the branch, url, and path parameters into a shell command without escaping, allowing OS command injection via plugin/theme installation (which requires admin access). A Twig security blocklist bypass (server-side template injection) is also present. The issues are fixed in 2.0.0-beta.2.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Grav Grav Affected: 0 , < 2.0.0-beta.2 (semver)
Unaffected: 2.0.0-beta.2 (semver)
Create a notification for this product.
Date Public
2026-04-27 00:00
Credits
Proscan-one
Show details on NVD website

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CVE-2026-57371 (GCVE-0-2026-57371)

Vulnerability from cvelistv5 – Published: 2026-07-13 08:41 – Updated: 2026-07-13 14:39
VLAI
Title
WordPress WPJAM Basic plugin <= 7.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in denishua WPJAM Basic wpjam-basic allows Object Injection.This issue affects WPJAM Basic: from n/a through <= 7.0.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
denishua WPJAM Basic Affected: 0 , ≤ 7.0 (custom)
Create a notification for this product.
Date Public
2026-07-13 10:37
Credits
hhhai | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57516 (GCVE-0-2026-57516)

Vulnerability from cvelistv5 – Published: 2026-07-01 16:36 – Updated: 2026-07-14 21:34 X_Open Source
VLAI
Title
Ray < 2.56.0 Unsafe Deserialization RCE via WebDataset Reader
Summary
Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the read_webdataset() function. The _default_decoder() function in webdataset_datasource.py unconditionally calls pickle.loads() on tar entries with .pkl/.pickle extensions and torch.load() with weights_only=False on .pt/.pth entries, executing arbitrary code inside Ray remote workers on every worker that processes the malicious archive.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Impacted products
Vendor Product Version
Anyscale, Inc Ray Affected: 0 , < 2.56.0 (semver)
Create a notification for this product.
Date Public
2026-05-18 00:00
Credits
jeremysommerfeld8910-cpu shakevsky alexchenai SSJCorpSec thesecguy45 sfwani Rahul Karne
Show details on NVD website

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CVE-2026-57527 (GCVE-0-2026-57527)

Vulnerability from cvelistv5 – Published: 2026-06-26 14:43 – Updated: 2026-07-14 21:34 X_Open Source
VLAI
Title
ZAP ViewState Add-on Insecure Deserialization via JSFViewState.decode()
Summary
Zed Attack Proxy (ZAP) ViewState add-on before version 4 contains an insecure deserialization vulnerability that allows attackers who control a proxied web server to achieve arbitrary code execution by embedding a malicious serialized Java object in the javax.faces.ViewState HTTP response parameter. The JSFViewState.decode() method base64-decodes the ViewState value and passes it directly to ObjectInputStream.readObject() without a deserialization filter, allowlist, or type restriction, causing the malicious object to be deserialized within the ZAP JVM when the Desktop UI renders the ViewState panel.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
Impacted products
Vendor Product Version
zaproxy zap-extensions Affected: 0 , < 4 (custom)
Create a notification for this product.
Date Public
2026-06-24 00:00
Credits
Neo by ProjectDiscovery
Show details on NVD website

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CVE-2026-57621 (GCVE-0-2026-57621)

Vulnerability from cvelistv5 – Published: 2026-07-02 11:15 – Updated: 2026-07-02 12:42
VLAI
Title
WordPress Booktics plugin <= 1.0.21 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Booktics <= 1.0.21 versions.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Arraytics Booktics Affected: n/a , ≤ 1.0.21 (custom)
Create a notification for this product.
Credits
hhhai | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57677 (GCVE-0-2026-57677)

Vulnerability from cvelistv5 – Published: 2026-07-02 11:15 – Updated: 2026-07-02 12:09
VLAI
Title
WordPress Novalnet Payment Gateway for WooCommerce plugin <= 12.10.3 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Novalnet Payment Gateway for WooCommerce <= 12.10.3 versions.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Novalnet Novalnet Payment Gateway for WooCommerce Affected: n/a , ≤ 12.10.3 (custom)
Create a notification for this product.
Credits
qdtad | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57713 (GCVE-0-2026-57713)

Vulnerability from cvelistv5 – Published: 2026-07-13 08:41 – Updated: 2026-07-13 14:38
VLAI
Title
WordPress Events Manager plugin <= 7.3.6 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Marcus (aka @msykes) Events Manager events-manager allows Object Injection.This issue affects Events Manager: from n/a through <= 7.3.6.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Marcus (aka @msykes) Events Manager Affected: 0 , ≤ 7.3.6 (custom)
Create a notification for this product.
Date Public
2026-07-13 10:37
Credits
dutafi | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57724 (GCVE-0-2026-57724)

Vulnerability from cvelistv5 – Published: 2026-07-13 08:41 – Updated: 2026-07-13 13:38
VLAI
Title
WordPress Kirki plugin <= 6.0.12 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Themeum Kirki kirki allows Object Injection.This issue affects Kirki: from n/a through <= 6.0.12.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Themeum Kirki Affected: 0 , ≤ 6.0.12 (custom)
Create a notification for this product.
Date Public
2026-07-13 10:37
Credits
VanTastic | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57738 (GCVE-0-2026-57738)

Vulnerability from cvelistv5 – Published: 2026-07-13 08:41 – Updated: 2026-07-13 13:53
VLAI
Title
WordPress 777 theme <= 1.13.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in axiomthemes 777 triple-seven allows Object Injection.This issue affects 777: from n/a through <= 1.13.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
axiomthemes 777 Affected: 0 , ≤ 1.13.0 (custom)
Create a notification for this product.
Date Public
2026-07-13 10:37
Credits
Bonds | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2026-57744 (GCVE-0-2026-57744)

Vulnerability from cvelistv5 – Published: 2026-07-13 08:41 – Updated: 2026-07-13 13:27
VLAI
Title
WordPress RT-Theme 18 | Extensions plugin <= 2.5 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
stmcan RT-Theme 18 | Extensions Affected: 0 , ≤ 2.5 (custom)
Create a notification for this product.
Date Public
2026-07-13 10:37
Credits
Bonds | Patchstack Bug Bounty Program
Show details on NVD website

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Mitigation

Phases: Architecture and Design, Implementation

Description:

  • 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

Phase: Implementation

Description:

  • 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

Phase: Implementation

Description:

  • Explicitly define a final object() to prevent deserialization.
Mitigation

Phases: Architecture and Design, Implementation

Description:

  • 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

Phase: Implementation

Description:

  • 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

Phases: Architecture and Design, Implementation

Description:

  • 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 ID: MIT-29

Phase: Operation

Strategy: Firewall

Description:

  • 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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