CVE-2026-49769: CWE-502 Deserialization of Untrusted Data in Tomdever wpForo Forum
CVE-2026-49769 is a critical vulnerability in wpForo Forum versions up to and including 3.1.0. It allows unauthenticated PHP object injection due to deserialization of untrusted data, classified under CWE-502. This vulnerability has a very high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor. Exploits are not known to be in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves unauthenticated PHP object injection in wpForo Forum versions <= 3.1.0. It arises from unsafe deserialization of untrusted data (CWE-502), which can lead to remote code execution or other critical impacts. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation can lead to full compromise of the affected wpForo Forum installation, including unauthorized code execution, data disclosure, and service disruption. The vulnerability affects confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected application where possible and monitor for unusual activity related to deserialization processes.
CVE-2026-49769: CWE-502 Deserialization of Untrusted Data in Tomdever wpForo Forum
Description
CVE-2026-49769 is a critical vulnerability in wpForo Forum versions up to and including 3.1.0. It allows unauthenticated PHP object injection due to deserialization of untrusted data, classified under CWE-502. This vulnerability has a very high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor. Exploits are not known to be in the wild at this time.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves unauthenticated PHP object injection in wpForo Forum versions <= 3.1.0. It arises from unsafe deserialization of untrusted data (CWE-502), which can lead to remote code execution or other critical impacts. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation can lead to full compromise of the affected wpForo Forum installation, including unauthorized code execution, data disclosure, and service disruption. The vulnerability affects confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected application where possible and monitor for unusual activity related to deserialization processes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-06-01T15:29:09.316Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3061700b89be688893e06a
Added to database: 06/15/2026, 20:32:48 UTC
Last enriched: 06/23/2026, 15:24:03 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 56
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