CVE-2026-111690
CVE-2026-111690 · Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Simple Admin Core through 1.8.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge super administrator tokens by using the hard-coded Auth.AccessSecret in api/etc/core.yaml. Attackers can sign a JWT with the public secret and roleId claim 001 to gain full administrative control over users, roles, menus, API authorities, configuration and tokens.
CVSS 9.3 · Critical · EPSS 0.6%
- Published
- Updated
Affected products and versions
simple-admin-core
- Versions
- ≥ 0, ≤ 1.8.7: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/simple-admin-core-hardcoded-jwt-accesssecret-admin-auth-bypass
- https://github.com/suyuan32/simple-admin-core/blob/v1.8.7/api/etc/core.yaml#L6-L8
- https://github.com/suyuan32/simple-admin-core/pull/382
- https://www.vulncheck.com/advisories/simple-admin-core-through-1.8.7-hard-coded-jwt-secret-authentication-bypass
- https://nvd.nist.gov/vuln/detail/CVE-2026-111690