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EUVD-2026-87367 · Published Sep 25, 2026 · 4w ago
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.
Weaknesses
CWE-307
CVSS scores
- v4.08.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - v3.16.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access Persistence Privilege Escalation Stealth Credential Access
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
Potentially impacted assets
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