Is CVE-2026-22545 actively exploited?

CVE-2026-22545 has no public evidence of in-the-wild exploitation as of 2026-03-18.

What is the CVSS score for CVE-2026-22545?

CVE-2026-22545 has a CVSS score of 3.1 (LOW severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.

How do I patch CVE-2026-22545?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-22545.

Which products are affected by CVE-2026-22545?

1 product: mattermost mattermost server.

CVE-2026-22545 - remediation guidance & executive summary

Description

Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
Weaknesses: CWE-863 · Incorrect Authorization

Metadata

Primary Vendor: MATTERMOST
Published: 3/16/2026
Last Modified: 3/18/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : mattermost_server

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-22545. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-22545

View on NIST NVD

CVE-2026-22545 vulnerability