CVE-2026-100502 Flame through 2.4.0 Admin Token Insufficient Session Expiration
Attackers with former admin access can mint permanent administrator tokens by manipulating duration parameters, bypassing session expiration and retaining dashboard control.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100502?
CVE-2026-100502 is a medium-severity authentication bypass vulnerability in pawelmalak flame, published on 25 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Flame through 2.4.0 contains an insufficient session expiration vulnerability in the login endpoint that allows attackers with former admin access to obtain tokens with arbitrary lifespans by supplying unvalidated duration parameters. Attackers can mint near-permanent administrator tokens that survive password changes, retaining full control of the dashboard since tokens are verified only against a static JWT secret that is never rotated.
Weakness: CWE-613
Which versions are affected by CVE-2026-100502?
How do I fix CVE-2026-100502?
No fix has been published for CVE-2026-100502 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-2026-100502 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100502 exists.
Sources
Also known as GHSA-h3fx-87pr-c7fx.