CVE-2025-54499
published 2025-10-16CVE-2025-54499: 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…
low3.7CVSS 3.1
AVNACHPRNUINSUCLINAN
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
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.11.0 < 10.11.3 | 10.11.3 |
| github.com | mattermost_mattermost-server | >= 10.11.0+incompatible < 10.11.3+incompatible | 10.11.3+incompatible |
| github.com | mattermost_mattermost-server | >= 10.5.0 < 10.5.11 | 10.5.11 |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.11+incompatible | 10.5.11+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250728063359-38208b8f065f | 8.0.0-20250728063359-38208b8f065f |
| mattermost | mattermost | 10.11.0 – 10.11.2 | — |
| mattermost | mattermost | 10.5.0 – 10.5.10 | — |
| mattermost | mattermost_server | >= 10.11.0 < 10.11.3 | 10.11.3 |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.11 | 10.5.11 |