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.
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History
Mon, 26 Oct 2026 19:45:00 +0000
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Seriawei
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Sun, 25 Oct 2026 07:15:00 +0000
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Fri, 16 Oct 2026 17:45:00 +0000
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| Description | 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. | |
| Title | ZKEACMS through 4.4 Authentication Bypass via Hard-Coded JWT Signing Key | |
| Weaknesses | CWE-321 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-16T17:39:06.226Z
Updated: 2026-10-23T18:31:57.561Z
Reserved: 2026-10-16T14:31:12.512Z
Link: CVE-2026-111633
Updated: 2026-10-23T18:31:34.491Z
Status : Deferred
Published: 2026-10-16T18:17:43.607
Modified: 2026-10-23T19:17:43.070
Link: CVE-2026-111633
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