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.
Published: 2026-10-16
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 19 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 19 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Suyuan32
Suyuan32 simple-admin-core
Vendors & Products Suyuan32
Suyuan32 simple-admin-core

Fri, 16 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication Bypass
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-19T13:35:10.955Z

Reserved: 2026-10-16T14:31:20.316Z

Link: CVE-2026-111690

cve-icon Vulnrichment

Updated: 2026-10-19T13:34:55.284Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T18:17:52.350

Modified: 2026-10-19T14:16:59.640

Link: CVE-2026-111690

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T12:54:01Z

Weaknesses
  • CWE-321

    Use of Hard-coded Cryptographic Key