CVE-2026-100502
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.
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 5.9 MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:H/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/M
- EPSS
- 0.36% probability · 30th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-613
- Source
- disclosure@vulncheck.com
EPSS moved from 0.3% on 26 September 2026 to 0.4% on 26 October 2026.
References
- https://github.com/pawelmalak/flame
- https://github.com/pawelmalak/flame/blob/v2.4.0/controllers/auth/login.js#L9-L17
- https://github.com/pawelmalak/flame/blob/v2.4.0/utils/init/initSecret.js#L8-L25
- https://github.com/pawelmalak/flame/blob/v2.4.0/utils/signToken.js#L4
- https://github.com/pawelmalak/flame/issues/494
- https://www.vulncheck.com/advisories/flame-through-2.4.0-admin-token-insufficient-session-expiration
- https://github.com/pawelmalak/flame/issues/494
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.