Summary
generated automatically from NVD dataSimple Admin Core through version 1.8.7 has an authentication bypass caused by a hard-coded Auth.AccessSecret in api/etc/core.yaml (CWE-321). Because the secret is public, an unauthenticated attacker can sign a JWT with a roleId claim of 001 and forge a super administrator token. This grants full administrative control over users, roles, menus, API authorities, configuration and tokens, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.
NVD 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.
EPSS · FIRST.org
0.44%probability of exploitation in the next 30 days
Higher than 37% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-18, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 16 oct. 2026
- Updated
- 19 oct. 2026
- Status
- Deferred
- Source
- disclosure@vulncheck.com
Weaknesses (CWE)
References (5)
Similar CVEs
Other vulnerabilities of type CWE-321
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