Critical severity9.8NVD Advisory· Published Oct 16, 2026· Updated Oct 16, 2026
CVE-2026-111690
CVE-2026-111690
Description
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 products
2- Range: <=1.8.7
- Range: <=1.8.7
Patches
Vulnerability mechanics
References
4- github.com/suyuan32/simple-admin-core/blob/v1.8.7/api/etc/core.yamlnvd
- github.com/suyuan32/simple-admin-core/pull/382nvd
- hackmd.io/@hieuPenguinnn/simple-admin-core-hardcoded-jwt-accesssecret-admin-auth-bypassnvd
- www.vulncheck.com/advisories/simple-admin-core-through-1.8.7-hard-coded-jwt-secret-authentication-bypassnvd
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