{"id":"CVE-2026-111690","summary":"Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass","details":"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.","modified":"2026-10-20T02:31:00.090555881Z","published":"2026-10-16T17:39:46.960Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111690.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-321"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111690.json"},{"type":"PACKAGE","url":"https://github.com/suyuan32/simple-admin-core"},{"type":"ARTICLE","url":"https://github.com/suyuan32/simple-admin-core/blob/v1.8.7/api/etc/core.yaml#L6-L8"},{"type":"FIX","url":"https://github.com/suyuan32/simple-admin-core/pull/382"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/simple-admin-core-hardcoded-jwt-accesssecret-admin-auth-bypass"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111690"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/simple-admin-core-through-1.8.7-hard-coded-jwt-secret-authentication-bypass"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/suyuan32/simple-admin-core","events":[{"introduced":"0"},{"last_affected":"be3efe7fbb339738f4145512db28e588959b6098"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"1.8.7"}]}}],"versions":["v1.8.7","v1.8.6","v1.8.4","v1.8.2","v1.8.1","v1.8.0","v1.7.9","v1.7.7","v1.7.6","v1.7.5","v1.7.4","v1.7.3","v1.7.2","v1.7.0","v1.6.13","v1.6.12","v1.6.11","v1.6.8","v1.6.7","v1.6.6","v1.6.5","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6.0.1","v1.6.0","v1.5.8","v1.5.7","v1.5.6","v1.5.5","v1.5.4","v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.4.10","v1.4.9","v1.4.8","v1.4.6","v1.4.4","v1.4.3","v1.3.12","v1.3.11","v1.3.10","v1.3.8","v1.3.7","v1.3.6","v1.3.5","v1.3.3","v1.3.2","v1.3.1","v1.3.0","v1.2.8","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.2.0","v1.1.6","v1.1.5","v1.1.4","v1.1.3","v1.1.2","v1.1.1","v1.1.0","v1.0.14","v1.0.13","v1.0.12","v1.0.11","v1.0.10","v1.0.9","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.0","v0.3.2","v0.3.2-beta","list","v0.3.1","v0.3.0","v0.2.9","v0.2.9-beta","v0.2.8","v0.2.7","v0.2.7-beta","v0.2.6","v0.2.5-beta","v0.2.5","v0.2.4","v0.2.4-beta","v0.2.3","v0.2.2","v0.2.1-beta","v0.2.0","v0.2.0-beta","v0.1.9","v0.1.8","v0.1.7","v0.1.6","v0.1.5","v0.1.4","v0.1.4-beta","v0.1.3","v0.1.2","v0.1.1","v0.1.0","v0.0.9","v0.0.8.1","v0.0.8","v0.0.7","v0.0.7-beta","v0.0.6","v0.0.5","v0.0.4","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111690.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}