CVE-2026-111633
CVE-2026-111633 · ZKEACMS through 4.4 Authentication Bypass via Hard-Coded JWT Signing Key
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
ZKEACMS through 4.4 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge REST API JWT bearer tokens using a hard-coded HMAC-SHA256 signing key in JwtBearerDefaults.cs. Attackers can sign a token with the Name claim set to 'admin' to call ApiAuthorize endpoints, modifying articles and products and reading form submissions.
CVSS 8.8 · Alta · EPSS 0,4%
- Publicación
- Actualización
Productos y versiones afectados
zkeacms
- Versiones
- ≥ 0, ≤ 4.4: Afectada (custom)
Sin corrección publicada
Fuentes originales
- https://hackmd.io/@hieuPenguinnn/zkeacms-hardcoded-jwt-signing-key-admin-auth-bypass
- https://github.com/SeriaWei/ZKEACMS/blob/v4.4/src/ZKEACMS/Api/JwtBearerDefaults.cs#L14-L19
- https://github.com/SeriaWei/ZKEACMS/blob/v4.4/src/ZKEACMS/BuilderAuthentication.cs#L41-L52
- https://github.com/SeriaWei/ZKEACMS/issues/531
- https://www.vulncheck.com/advisories/zkeacms-through-4.4-authentication-bypass-via-hard-coded-jwt-signing-key
- https://nvd.nist.gov/vuln/detail/CVE-2026-111633