Is CVE-2025-54478 actively exploited?

CVE-2025-54478 has no public evidence of in-the-wild exploitation as of 2025-09-24.

What is the CVSS score for CVE-2025-54478?

CVE-2025-54478 has a CVSS score of 7.2 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

How do I patch CVE-2025-54478?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-54478.

Which products are affected by CVE-2025-54478?

1 product: mattermost confluence.

Fix CVE-2025-54478 - HIGH mattermost confluence

Description

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-306 · Missing Authentication

Metadata

Primary Vendor: MATTERMOST
Published: 8/11/2025
Last Modified: 9/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : confluence

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-54478. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-54478

View on NIST NVD

CVE-2025-54478 vulnerability