Vulnerability DatabaseCVE-2026-111690
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CVE-2026-111690
Published:October 16, 2026
Updated:October 21, 2026
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.
Related Resources (7)
https://nvd.nist.gov/vuln/detail/CVE-2026-111690
https://github.com/suyuan32/simple-admin-core
https://github.com/suyuan32/simple-admin-core/blob/v1.8.7/api/etc/core.yaml#L6-L8
https://www.vulncheck.com/advisories/simple-admin-core-through-1.8.7-hard-coded-jwt-secret-authentication-bypass
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111690.json
https://github.com/suyuan32/simple-admin-core/pull/382
https://hackmd.io/@hieuPenguinnn/simple-admin-core-hardcoded-jwt-accesssecret-admin-auth-bypass
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use of Hard-coded Cryptographic Key
CWE-321
EPSS
Base Score:
0.44