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 Sep 25, 2026
  • CVSS 8.3 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-100501 at the National Vulnerability Database