CVE-2025-52931 - OpenCVE

Mattermost Confluence Plugin version <1.5.0 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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mattermost	Mattermost

No data.

No data.

References

Link	Providers
https://mattermost.com/security-updates

History

Tue, 12 Aug 2025 12:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mattermost Mattermost mattermost
Vendors & Products		Mattermost Mattermost mattermost

Mon, 11 Aug 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 11 Aug 2025 19:15:00 +0000

Type	Values Removed	Values Added
Description		Mattermost Confluence Plugin version <1.5.0 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.
Title		Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin
Weaknesses		CWE-754
References		https://mattermost.com/security-updates
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2025-08-11T18:57:00.672Z

Updated: 2025-08-11T19:36:18.801Z

Reserved: 2025-07-28T14:26:12.425Z

Link: CVE-2025-52931

Vulnrichment

Updated: 2025-08-11T19:36:11.892Z

NVD

Status : Awaiting Analysis

Published: 2025-08-11T19:15:28.637

Modified: 2025-08-12T14:25:33.177

Link: CVE-2025-52931

Redhat

No data.

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