PT-2025-42444 · Mattermost · Mattermost

Doyensec · Published 2025-10-16 · Updated 2025-11-07 · CVE-2025-54499

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.10 Mattermost versions 10.11.x through 10.11.2

Description The software does not employ constant-time comparison for sensitive string comparisons, creating a timing oracle. This allows attackers to exploit timing differences during response time analysis to perform byte-by-byte brute force attacks on Cloud API keys and OAuth client secrets.

Recommendations Update Mattermost to a version beyond 10.5.10. Update Mattermost to a version beyond 10.11.2.

Fix

Weakness Enumeration

CWE-208

Related Identifiers

BDU:2025-13339

CVE-2025-54499

GHSA-XR3W-RMVJ-F6M7

GO-2025-4036

OPENSUSE-SU-2025:15710-1

Affected Products

Mattermost

References · 85

• https://nvd.nist.gov/vuln/detail/CVE-2025-54499 · Security Note
• https://bdu.fstec.ru/vul/2025-13339 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15710-1 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-4036 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-54499 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-xr3w-rmvj-f6m7 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/97a4c7839cf5610cfe17c52042878aebb7678372 · Note
• https://github.com/mattermost/mattermost/commit/38208b8f065f0786eac0e968f9d754b91b62878c · Note
• https://suse.com/security/cve/CVE-2025-58356 · Note
• https://suse.com/security/cve/CVE-2025-61141 · Note
• https://suse.com/security/cve/CVE-2025-64102 · Note
• https://suse.com/security/cve/CVE-2025-62375 · Note
• https://suse.com/security/cve/CVE-2016-11074 · Note