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CVE-2026-111690

Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Fix
Fix or patch referenced
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

Summary

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.

Affected versions

  • suyuan32 simple-admin-core

    through 1.8.7

References 4

hackmd.io

GitHub · suyuan32/simple-admin-core

vulncheck.com