CVE-2025-54458

MEDIUM

Mattermost Confluence Plugin < 1.5.0 - Missing Authorization via Create Subscription Endpoint

Title source: llm

Description

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the Confluence space which allows attackers to create a subscription for a Confluence space the user does not have access to via the create subscription endpoint.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 5.0

EPSS 0.0006

EPSS Percentile 18.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (2)

mattermost/confluence < 1.5.0

mattermost/mattermost-plugin-confluence 0 - 1.5.0Go

Published Aug 11, 2025

Tracked Since Feb 18, 2026