CVE-2025-54499 — Insecure string comparison enables timing attacks

CVE-2025-54499

Insecure string comparison enables timing attacks PUBLISHED

Description (CNA)

Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 10.5.0 through 10.5.10; affected 10.11.0 through 10.11.2; unaffected 10.12.0; unaffected 10.5.11; unaffected 10.11.3

CWE

CWE-208

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.