CWE-502

Deserialization of Untrusted Data

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

CVE-2026-0859 (GCVE-0-2026-0859)

Vulnerability from cvelistv5 – Published: 2026-01-13 11:54 – Updated: 2026-01-13 14:12
VLAI
Title
TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool
Summary
TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send command, enabling arbitrary PHP code execution on the web server. This issue affects TYPO3 CMS versions 10.0.0-10.4.54, 11.0.0-11.5.48, 12.0.0-12.4.40, 13.0.0-13.4.22 and 14.0.0-14.0.1.
Severity
5.2 (Medium)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
TYPO3 TYPO3 CMS Affected: 10.0.0 , < 10.4.55 (semver)
Affected: 11.0.0 , < 11.5.49 (semver)
Affected: 12.0.0 , < 12.4.41 (semver)
Affected: 13.0.0 , < 13.4.23 (semver)
Affected: 14.0.0 , < 14.0.2 (semver)
Create a notification for this product.
Credits
Vitaly Simonovich Elias Häußler Oliver Hader
Show details on NVD website
To clipboard 

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CVE-2026-0895 (GCVE-0-2026-0895)

Vulnerability from cvelistv5 – Published: 2026-01-20 07:19 – Updated: 2026-01-20 18:07
VLAI
Title
Insecure Deserialization in extension "Mailqueue" (mailqueue)
Summary
The extension extends TYPO3’ FileSpool component, which was vulnerable to Insecure Deserialization prior to TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 . Since the related fix is overwritten by the extension, using the extension with a patched TYPO3 core version still allows for Insecure Deserialization, because the affected vulnerable code was extracted from TYPO3 core to the extension. More information about this vulnerability can be found in the related TYPO3 Core Security Advisory TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 .
Severity
5.2 (Medium)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
TYPO3 Extension "Mailqueue" Affected: 0 , < 0.4.3 (semver)
Affected: 0.5.0 , < 0.5.1 (semver)
Create a notification for this product.
Date Public
2026-01-20 07:00
Credits
Elias Häußler Elias Häußler
Show details on NVD website
To clipboard 

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CVE-2026-0910 (GCVE-0-2026-0910)

Vulnerability from cvelistv5 – Published: 2026-02-11 13:25 – Updated: 2026-04-08 16:47
VLAI
Title
wpForo Forum <= 2.4.13 - Authenticated (Subscriber+) PHP Object Injection
Summary
The wpForo Forum plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.4.13 via deserialization of untrusted input in the 'wpforo_display_array_data' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.
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 (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
tomdever wpForo Forum Affected: 0 , ≤ 2.4.13 (semver)
Create a notification for this product.
Credits
Craig Smith
Show details on NVD website
To clipboard 

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CVE-2026-10042 (GCVE-0-2026-10042)

Vulnerability from cvelistv5 – Published: 2026-05-29 14:29 – Updated: 2026-05-29 15:04
VLAI
Title
manga-image-translator RCE via Unsafe Pickle Deserialization in Share Model
Summary
manga-image-translator contains a remote code execution vulnerability in the shared API server mode due to unsafe deserialization of untrusted pickle data in the share.py module, where the /execute/{method_name} and /simple_execute/{method_name} endpoints deserialize attacker-controlled HTTP request bodies using pickle.loads(). A remote attacker can supply a crafted pickle payload to these endpoints to execute arbitrary code in the server process, resulting in full container compromise when running in the default Docker deployment as root.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
zyddnys manga-image-translator Affected: 0 , ≤ d744148 (git)
Create a notification for this product.
Date Public
2026-05-09 00:00
Credits
YU SUN
Show details on NVD website
To clipboard 

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CVE-2026-10532 (GCVE-0-2026-10532)

Vulnerability from cvelistv5 – Published: 2026-06-01 11:30 – Updated: 2026-06-01 13:56
VLAI
Title
Logback deserialization whitelist bypass for Proxy objects
Summary
Deserialization of untrusted data vulnerability in QOS.CH Sarl logback logback-core (HardenedObjectInputStream (logback-core) modules) allows Object Injection, albeit heavily restricted. More precisely, an attacker able to influence serialized data sent to SimpleSocketServer or SimpleSSLSocketServer can instantiate Proxy objects. Although deserialization is heavily restricted by HardenedObjectInputStream and no practical way to achieve remote code execution or significant privilege escalation has been identified, this issue constitutes a bypass of the intended security restrictions. This issue affects logback: through 1.5.33 inclusive.
Severity
2.9 (Low)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:P/RE:M/U:Green
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of untrusted data
Assigner
References
Impacted products
Vendor Product Version
QOS.CH Sarl logback Affected: 0 , ≤ 1.5.33 (maven)
Unaffected: 1.5.34
Create a notification for this product.
Date Public
2026-06-01 07:47
Credits
York Shen https://github.com/york-shen
Show details on NVD website
To clipboard 

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CVE-2026-10566 (GCVE-0-2026-10566)

Vulnerability from cvelistv5 – Published: 2026-06-02 01:45 – Updated: 2026-06-02 12:24
VLAI
Title
FoundationAgents MetaGPT schema.py Message.check_instruct_content deserialization
Summary
A weakness has been identified in FoundationAgents MetaGPT up to 0.8.2. This affects the function Message.check_instruct_content of the file metagpt/schema.py. Executing a manipulation of the argument mapping can lead to deserialization. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
FoundationAgents MetaGPT Affected: 0.8.0
Affected: 0.8.1
Affected: 0.8.2
    cpe:2.3:a:foundationagents:metagpt:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
ASUKA39 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-10721 (GCVE-0-2026-10721)

Vulnerability from cvelistv5 – Published: 2026-06-10 06:59 – Updated: 2026-06-10 14:40
VLAI
Title
Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the in Permission, Cache, and Search components
Summary
Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the  in Permission, Cache, and Search components. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been placed in the database. Thanks XananasX7 for reporting.
Severity
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
Concrete CMS Concrete CMS Affected: 5 , ≤ 9.5.1 (git)
Create a notification for this product.
Credits
XananasX7
Show details on NVD website
To clipboard 

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CVE-2026-11815 (GCVE-0-2026-11815)

Vulnerability from cvelistv5 – Published: 2026-06-10 06:39 – Updated: 2026-06-10 14:42
VLAI
Title
Insecure Deserialization via MITM in Layer 7 Policy Manager
Summary
An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects. This vulnerability could lead to broken security expectations or remote code execution.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of untrusted data
Assigner
References
Impacted products
Credits
UWV
Show details on NVD website
To clipboard 

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CVE-2026-1184 (GCVE-0-2026-1184)

Vulnerability from cvelistv5 – Published: 2026-05-14 05:37 – Updated: 2026-05-14 13:04
VLAI
Title
Deserialization of Untrusted Data in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
GitLab GitLab Affected: 11.9 , < 18.9.7 (semver)
Affected: 18.10 , < 18.10.6 (semver)
Affected: 18.11 , < 18.11.3 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Thanks [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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CVE-2026-11860 (GCVE-0-2026-11860)

Vulnerability from cvelistv5 – Published: 2026-06-15 09:57 – Updated: 2026-06-15 10:46
VLAI
Title
Insecure Deserialisation via Plaintext HTTP leading to Remote Code Execution in Quick.CMS
Summary
Quick.CMS deserializes user-controlled data received over plaintext HTTP without ensuring integrity or authenticity. This allows attackers to tamper with serialized payloads in transit and inject malicious objects. Because deserialization is performed without proper validation or class restrictions, crafted payloads can trigger dangerous magic methods (e.g., __wakeup() and __destruct()) and leverage gadget chains, resulting in arbitrary code execution. Exploitation is triggered automatically when an administrator accesses the admin panel. When successfully exploited, this vulnerability allows attackers to execute arbitrary code on the server via manipulated serialized data transmitted over an unprotected channel. This issue was mitigated by limiting the communication to HTTPS in a patch for version 6.8 published on 14.05.2026, deployments without this patch remain vulnerable.
Severity
7.5 (High)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version
OpenSolution Quick.CMS Affected: 0 , ≤ 6.8 (semver)
Create a notification for this product.
Credits
Arkadiusz Marta
Show details on NVD website
To clipboard 

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          "value": "Quick.CMS deserializes user-controlled data received over plaintext HTTP without ensuring integrity or authenticity. This allows attackers to tamper with serialized payloads in transit and inject malicious objects. Because deserialization is performed without proper validation or class restrictions, crafted payloads can trigger dangerous magic methods (e.g., __wakeup() and __destruct()) and leverage gadget chains, resulting in arbitrary code execution. Exploitation is triggered automatically when an administrator accesses the admin panel.\n\nWhen successfully exploited, this vulnerability allows attackers to execute arbitrary code on the server via manipulated serialized data transmitted over an unprotected channel.\n\nThis issue was mitigated by limiting the communication to HTTPS in a patch for version 6.8 published on 14.05.2026, deployments without this patch remain vulnerable."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-253",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-253 Remote Code Inclusion"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "ADJACENT",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-15T09:57:11.748Z",
        "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "shortName": "CERT-PL"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://cert.pl/posts/2026/06/CVE-2026-11860/"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://opensolution.org/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Insecure Deserialisation via Plaintext HTTP leading to Remote Code Execution in Quick.CMS",
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        "engine": "Vulnogram 0.2.0"
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    }
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  "cveMetadata": {
    "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
    "assignerShortName": "CERT-PL",
    "cveId": "CVE-2026-11860",
    "datePublished": "2026-06-15T09:57:11.748Z",
    "dateReserved": "2026-06-10T10:55:47.646Z",
    "dateUpdated": "2026-06-15T10:46:41.362Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
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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