CVE-2026-100501 Flame through 2.4.0 Brute-Force Attack via Login Endpoint
Unauthenticated attackers can brute-force admin passwords due to missing rate limiting, gaining full administrative access to modify application configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100501?
CVE-2026-100501 is a high-severity authentication bypass vulnerability in pawelmalak flame, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-307
Which versions are affected by CVE-2026-100501?
How do I fix CVE-2026-100501?
No fix has been published for CVE-2026-100501 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-100501 being exploited?
There is no known exploitation of CVE-2026-100501 in the wild and no public exploit code.
Sources
Also known as GHSA-r7p3-q524-5mc7.