Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-52931
CVE-2025-52931:
vulnerability analysis and mitigation
Overview
Mattermost Confluence Plugin version <1.5.0 contains a vulnerability that fails to handle unexpected request body, which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body. The vulnerability was discovered and disclosed on August 11, 2025 (NVD).
Technical details
The vulnerability is classified as an Improper Check for Unusual or Exceptional Conditions (CWE-754). The CVSS v3.1 base score is 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating that the vulnerability can be exploited remotely without requiring privileges or user interaction (NVD).
Impact
The vulnerability affects the availability of the Mattermost Confluence Plugin. When successfully exploited, attackers can cause a denial of service by crashing the plugin through sending invalid request bodies to the update channel subscription endpoint (NVD).
Mitigation and workarounds
Users should upgrade to Mattermost Confluence Plugin version 1.5.0 or later which contains the fix for this vulnerability (Mattermost Security).
Additional resources
Source: This report was generated using AI
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