Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
4820 vulnerabilities reference this CWE, most recent first.
CVE-2025-26885 (GCVE-0-2025-26885)
Vulnerability from cvelistv5 – Published: 2025-03-03 13:30 – Updated: 2026-04-29 09:51
VLAI
EPSS
VEX
Title
WordPress Assistant Plugin <= 1.5.1 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Beaver Builder WordPress Assistant assistant allows Object Injection.This issue affects WordPress Assistant: from n/a through <= 1.5.1.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Beaver Builder | WordPress Assistant |
Affected:
0 , ≤ 1.5.1
(custom)
|
Date Public
2026-04-01 16:35
Credits
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CVE-2025-26873 (GCVE-0-2025-26873)
Vulnerability from cvelistv5 – Published: 2025-03-27 21:59 – Updated: 2026-04-28 16:11
VLAI
EPSS
VEX
Title
WordPress Traveler theme <= 3.1.8 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in shinetheme Traveler traveler.This issue affects Traveler: from n/a through < 3.2.1.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Theme/t… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| shinetheme | Traveler |
Affected:
0 , ≤ 3.2.1
(custom)
|
Date Public
2026-04-01 16:35
Credits
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CVE-2025-26866 (GCVE-0-2025-26866)
Vulnerability from cvelistv5 – Published: 2025-12-12 09:23 – Updated: 2026-02-26 16:07
VLAI
EPSS
VEX
Title
Apache HugeGraph-Server: RAFT and deserialization vulnerability
Summary
A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.
Users are recommended to upgrade to version 1.7.0, which fixes the issue.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache HugeGraph-Server |
Affected:
1.0.0 , < 1.7.0
(maven)
|
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CVE-2025-26763 (GCVE-0-2025-26763)
Vulnerability from cvelistv5 – Published: 2025-02-22 15:52 – Updated: 2026-04-28 16:11
VLAI
EPSS
VEX
Title
WordPress Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider Plugin <= 3.94.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in MetaSlider Responsive Slider by MetaSlider ml-slider allows Object Injection.This issue affects Responsive Slider by MetaSlider: from n/a through <= 3.94.0.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MetaSlider | Responsive Slider by MetaSlider |
Affected:
0 , ≤ 3.94.0
(custom)
|
Date Public
2026-04-01 16:35
Credits
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CVE-2025-26399 (GCVE-0-2025-26399)
Vulnerability from cvelistv5 – Published: 2025-09-23 05:07 – Updated: 2026-03-10 03:55
VLAI
EPSS
VEX
Title
SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability
Summary
SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.solarwinds.com/trust-center/security-… | |
| https://documentation.solarwinds.com/en/success_c… | |
| https://www.microsoft.com/en-us/security/blog/202… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SolarWinds | Web Help Desk |
Affected:
12.8.7 and below
|
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CVE-2025-26397 (GCVE-0-2025-26397)
Vulnerability from cvelistv5 – Published: 2025-07-24 07:57 – Updated: 2025-07-24 13:16
VLAI
EPSS
VEX
Title
SolarWinds Observability Self-Hosted Deserialization of Untrusted Data Local Privilege Escalation Vulnerability
Summary
SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability. An attacker with low privileges can escalate privileges to run malicious files copied to a permission-protected folder. This vulnerability requires authentication from a low-level account and local access to the host server.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SolarWinds | SolarWinds Observability Self-Hosted |
Affected:
2025.2 and previous versions
|
Date Public
2025-07-24 07:55
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CVE-2025-25034 (GCVE-0-2025-25034)
Vulnerability from cvelistv5 – Published: 2025-06-20 18:34 – Updated: 2026-05-14 02:07 X_Known Exploited Vulnerability
VLAI
EPSS
VEX
Title
SugarCRM PHP Deserialization RCE
Summary
A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before passing it to the unserialize() function. This allows an unauthenticated attacker to submit crafted serialized data containing malicious object declarations, resulting in arbitrary code execution within the application context. Although SugarCRM released a prior fix in advisory sugarcrm-sa-2016-001, the patch was incomplete and failed to address some vectors. Exploitation evidence was observed by the Shadowserver Foundation on 2024-09-13 UTC.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://web.archive.org/web/20160725194502/http:/… | vendor-advisory |
| https://web.archive.org/web/20160508053502/http:/… | vendor-advisory |
| https://karmainsecurity.com/KIS-2016-07 | technical-descriptionthird-party-advisory |
| https://www.exploit-db.com/exploits/40344 | exploit |
| https://raw.githubusercontent.com/rapid7/metasplo… | exploit |
| https://www.sugarcrm.com/crm/ | product |
| https://vulncheck.com/advisories/sugarcrm-php-des… | third-party-advisory |
Impacted products
Date Public
2016-09-07 00:00
Credits
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CVE-2025-24919 (GCVE-0-2025-24919)
Vulnerability from cvelistv5 – Published: 2025-06-13 21:48 – Updated: 2026-02-26 17:50
VLAI
EPSS
VEX
Title
Dell ControlVault3/ControlVault3 Plus deserialization of untrusted input vulnerability
Summary
A deserialization of untrusted input vulnerability exists in the cvhDecapsulateCmd functionality of Dell ControlVault3 prior to 5.15.10.14 and ControlVault3 Plus prior to 6.2.26.36. A specially crafted ControlVault response to a command can lead to arbitrary code execution. An attacker can compromise a ControlVault firmware and have it craft a malicious response to trigger this vulnerability.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Broadcom | BCM5820X |
Affected:
NA
|
|
| Dell | ControlVault3 |
Affected:
0 , < 5.15.10.14
(semver)
|
|
| Dell | ControlVault3 Plus |
Affected:
0 , < 6.2.26.36
(semver)
|
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CVE-2025-24813 (GCVE-0-2025-24813)
Vulnerability from cvelistv5 – Published: 2025-03-10 16:44 – Updated: 2025-10-29 11:49
VLAI
EPSS
VEX
Title
Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT
Summary
Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from 9.0.0.M1 through 9.0.98.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions
may also be affected.
If all of the following were true, a malicious user was able to view security sensitive files and/or inject content into those files:
- writes enabled for the default servlet (disabled by default)
- support for partial PUT (enabled by default)
- a target URL for security sensitive uploads that was a sub-directory of a target URL for public uploads
- attacker knowledge of the names of security sensitive files being uploaded
- the security sensitive files also being uploaded via partial PUT
If all of the following were true, a malicious user was able to perform remote code execution:
- writes enabled for the default servlet (disabled by default)
- support for partial PUT (enabled by default)
- application was using Tomcat's file based session persistence with the default storage location
- application included a library that may be leveraged in a deserialization attack
Users are recommended to upgrade to version 11.0.3, 10.1.35 or 9.0.99, which fixes the issue.
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.2
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.34 (semver) Affected: 9.0.0.M1 , ≤ 9.0.98 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unknown: 3 , < 8.5.0 (semver) Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver) |
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CVE-2025-24794 (GCVE-0-2025-24794)
Vulnerability from cvelistv5 – Published: 2025-01-29 20:25 – Updated: 2025-01-31 16:53
VLAI
EPSS
VEX
Title
The Snowflake Connector for Python uses insecure deserialization of the OCSP response cache
Summary
The Snowflake Connector for Python provides an interface for developing Python applications that can connect to Snowflake and perform all standard operations. Snowflake discovered and remediated a vulnerability in the Snowflake Connector for Python. The OCSP response cache uses pickle as the serialization format, potentially leading to local privilege escalation. This vulnerability affects versions 2.7.12 through 3.13.0. Snowflake fixed the issue in version 3.13.1.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/snowflakedb/snowflake-connecto… | x_refsource_CONFIRM |
| https://github.com/snowflakedb/snowflake-connecto… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| snowflakedb | snowflake-connector-python |
Affected:
>= 2.7.12, < 3.13.1
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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.