CVE-2026-100501
CVE-2026-100501
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.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/pawelmalak/flame (product)
- github.com/pawelmalak/flame/blob/v2.4.0/.docker/Dockerfile (technical-description)
- github.com/pawelmalak/flame/blob/v2.4.0/controllers/auth/login.js (technical-description)
- github.com/pawelmalak/flame/blob/v2.4.0/routes/auth.js (technical-description)
- github.com/pawelmalak/flame/issues/494 (issue-tracking)
- www.vulncheck.com/advisories/flame-through-2.4.0-brute-force-attack-via-login-e… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100501?
- CVE-2026-100501 is a medium-severity vulnerability, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-09-25.
- How severe is CVE-2026-100501?
- Medium severity. CVSS v3 base score is 6.5 out of 10.