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.

4819 vulnerabilities reference this CWE, most recent first.

CVE-2025-29953 (GCVE-0-2025-29953)

Vulnerability from cvelistv5 – Published: 2025-04-18 15:23 – Updated: 2025-04-23 15:39
VLAI
Title
Apache ActiveMQ NMS OpenWire Client: deserialization allowlist bypass
Summary
Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious responses that may eventually cause arbitrary code execution on the client. Version 2.1.0 introduced a allow/denylist feature to restrict deserialization, but this feature could be bypassed. The .NET team has deprecated the built-in .NET binary serialization feature starting with .NET 9 and suggests migrating away from binary serialization. The project is considering to follow suit and drop this part of the NMS API altogether. Users are recommended to upgrade to version 2.1.1, which fixes the issue. We also recommend to migrate away from relying on .NET binary serialization as a hardening method for the future.
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 (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Credits
g7shot working with Trend Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2025-29807 (GCVE-0-2025-29807)

Vulnerability from cvelistv5 – Published: 2025-03-21 00:29 – Updated: 2026-02-26 19:09 Exclusively Hosted Service
VLAI
Title
Microsoft Dataverse Remote Code Execution Vulnerability
Summary
Deserialization of untrusted data in Microsoft Dataverse allows an authorized attacker to execute code over a network.
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
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
Date Public
2025-03-20 07:00
Show details on NVD website
To clipboard 

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CVE-2025-29793 (GCVE-0-2025-29793)

Vulnerability from cvelistv5 – Published: 2025-04-08 17:23 – Updated: 2026-02-13 19:32
VLAI
Title
Microsoft SharePoint Remote Code Execution Vulnerability
Summary
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Date Public
2025-04-08 07:00
Show details on NVD website
To clipboard 

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CVE-2025-29783 (GCVE-0-2025-29783)

Vulnerability from cvelistv5 – Published: 2025-03-19 15:33 – Updated: 2025-03-22 00:02
VLAI
Title
vLLM Allows Remote Code Execution via Mooncake Integration
Summary
vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. When vLLM is configured to use Mooncake, unsafe deserialization exposed directly over ZMQ/TCP on all network interfaces will allow attackers to execute remote code on distributed hosts. This is a remote code execution vulnerability impacting any deployments using Mooncake to distribute KV across distributed hosts. This vulnerability is fixed in 0.8.0.
Severity
9.1 (Critical)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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
vllm-project vllm Affected: >= 0.6.5, < 0.8.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-28970 (GCVE-0-2025-28970)

Vulnerability from cvelistv5 – Published: 2025-06-27 11:52 – Updated: 2026-04-28 16:11
VLAI
Title
WordPress WP Optimize By xTraffic plugin <= 5.1.6 - PHP Object Injection Vulnerability
Summary
Deserialization of Untrusted Data vulnerability in pep.vn WP Optimize By xTraffic wp-optimize-by-xtraffic allows Object Injection.This issue affects WP Optimize By xTraffic: from n/a through <= 5.1.6.
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 (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
pep.vn WP Optimize By xTraffic Affected: 0 , ≤ 5.1.6 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:36
Credits
timomangcut | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2025-28961 (GCVE-0-2025-28961)

Vulnerability from cvelistv5 – Published: 2025-07-16 11:28 – Updated: 2026-04-28 16:11
VLAI
Title
WordPress URL Shortener <= 3.0.7 - PHP Object Injection Vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Md Yeasin Ul Haider URL Shortener exact-links allows Object Injection.This issue affects URL Shortener: from n/a through <= 3.0.7.
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 (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Md Yeasin Ul Haider URL Shortener Affected: 0 , ≤ 3.0.7 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:36
Credits
ch4r0n | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2025-27925 (GCVE-0-2025-27925)

Vulnerability from cvelistv5 – Published: 2025-03-10 00:00 – Updated: 2025-03-11 13:36
VLAI
Summary
Nintex Automation 5.6 and 5.7 before 5.8 has insecure deserialization of user input.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/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
Nintex Automation Affected: 5.6 , < 5.8 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-27819 (GCVE-0-2025-27819)

Vulnerability from cvelistv5 – Published: 2025-06-10 07:54 – Updated: 2025-06-10 15:15
VLAI
Title
Apache Kafka: Possible RCE/Denial of service attack via SASL JAAS JndiLoginModule configuration
Summary
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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 (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
URL Tags
https://kafka.apache.org/cve-list vendor-advisory
Impacted products
Vendor Product Version
Apache Software Foundation Apache Kafka Affected: 2.0.0 , ≤ 3.3.2 (semver)
Create a notification for this product.
Credits
Ziyang Li Ji'an Zhou Ying Zhu
Show details on NVD website
To clipboard 

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CVE-2025-27818 (GCVE-0-2025-27818)

Vulnerability from cvelistv5 – Published: 2025-06-10 07:52 – Updated: 2026-02-26 17:51
VLAI
Title
Apache Kafka: Possible RCE attack via SASL JAAS LdapLoginModule configuration
Summary
A possible security vulnerability has been identified in Apache Kafka. This requires access to a alterConfig to the cluster resource, or Kafka Connect worker, and the ability to create/modify connectors on it with an arbitrary Kafka client SASL JAAS config and a SASL-based security protocol, which has been possible on Kafka clusters since Apache Kafka 2.0.0 (Kafka Connect 2.3.0). When configuring the broker via config file or AlterConfig command, or connector via the Kafka Kafka Connect REST API, an authenticated operator can set the `sasl.jaas.config` property for any of the connector's Kafka clients to "com.sun.security.auth.module.LdapLoginModule", which can be done via the `producer.override.sasl.jaas.config`, `consumer.override.sasl.jaas.config`, or `admin.override.sasl.jaas.config` properties. This will allow the server to connect to the attacker's LDAP server and deserialize the LDAP response, which the attacker can use to execute java deserialization gadget chains on the Kafka connect server. Attacker can cause unrestricted deserialization of untrusted data (or) RCE vulnerability when there are gadgets in the classpath. Since Apache Kafka 3.0.0, users are allowed to specify these properties in connector configurations for Kafka Connect clusters running with out-of-the-box configurations. Before Apache Kafka 3.0.0, users may not specify these properties unless the Kafka Connect cluster has been reconfigured with a connector client override policy that permits them. Since Apache Kafka 3.9.1/4.0.0, we have added a system property ("-Dorg.apache.kafka.disallowed.login.modules") to disable the problematic login modules usage in SASL JAAS configuration. Also by default "com.sun.security.auth.module.JndiLoginModule,com.sun.security.auth.module.LdapLoginModule" are disabled in Apache Kafka Connect 3.9.1/4.0.0. We advise the Kafka users to validate connector configurations and only allow trusted LDAP configurations. Also examine connector dependencies for vulnerable versions and either upgrade their connectors, upgrading that specific dependency, or removing the connectors as options for remediation. Finally, in addition to leveraging the "org.apache.kafka.disallowed.login.modules" system property, Kafka Connect users can also implement their own connector client config override policy, which can be used to control which Kafka client properties can be overridden directly in a connector config and which cannot.
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
Apache Software Foundation Apache Kafka Affected: 2.3.0 , ≤ 3.9.0 (semver)
Create a notification for this product.
Credits
罗鑫 <lx2317103712@gmail.com> ra1lgun <ra1lgun@foxmail.com>
Show details on NVD website
To clipboard 

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CVE-2025-27781 (GCVE-0-2025-27781)

Vulnerability from cvelistv5 – Published: 2025-03-19 20:22 – Updated: 2025-03-19 20:48
VLAI
Title
Applio allows unsafe deserialization in inference.py
Summary
Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to unsafe deserialization in inference.py. `model_file` in inference.py as well as `model_file` in tts.py take user-supplied input (e.g. a path to a model) and pass that value to the `change_choices` and later to `get_speakers_id` function, which loads that model with `torch.load` in inference.py (line 326 in 3.2.8-bugfix), which is vulnerable to unsafe deserialization. The issue can lead to remote code execution. A patch is available on the `main` branch of the repository.
Severity
8.9 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
IAHispano Applio Affected: <= 3.2.8-bugfix
Create a notification for this product.
Show details on NVD website
To clipboard 

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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.

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