Description
Flame through 2.4.0 contains an improper restriction of excessive authentication attempts vulnerability in the POST /api/auth login endpoint that allows unauthenticated attackers to brute-force the admin password. Attackers can submit unlimited password guesses without rate limiting, attempt counters, lockouts, or delays to gain full administrator access and modify application configuration.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| pawelmalak | flame | <= 2.4.0 |
References
- https://github.com/pawelmalak/flame
- https://github.com/pawelmalak/flame/blob/v2.4.0/.docker/Dockerfile#L28
- https://github.com/pawelmalak/flame/blob/v2.4.0/controllers/auth/login.js#L11-L22
- https://github.com/pawelmalak/flame/blob/v2.4.0/routes/auth.js#L7
- https://github.com/pawelmalak/flame/issues/494
- https://www.vulncheck.com/advisories/flame-through-2.4.0-brute-force-attack-via-login-endpoint
Timeline
- Published
- Sep 25, 2026
- Last modified
- Oct 5, 2026
- NVD status
- Deferred