{"id":"CVE-2026-111690","title":"Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass","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 …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-321"],"vendor":"suyuan32","product":"simple-admin-core","affected":["simple-admin-core <= 1.8.7"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T17:39:46.960Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111690","references":[{"url":"https://hackmd.io/@hieuPenguinnn/simple-admin-core-hardcoded-jwt-accesssecret-admin-auth-bypass"},{"url":"https://github.com/suyuan32/simple-admin-core/blob/v1.8.7/api/etc/core.yaml#L6-L8"},{"url":"https://github.com/suyuan32/simple-admin-core/pull/382"},{"url":"https://www.vulncheck.com/advisories/simple-admin-core-through-1.8.7-hard-coded-jwt-secret-authentication-bypass","label":"VulnCheck Advisory: Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.656Z","slug":"CVE-2026-111690","body":"## Overview\n\nSimple 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.\n\n## Affected\n\n- `simple-admin-core <= 1.8.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}