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ZKEACMS through 4.4 Authentication Bypass via Hard-Coded JWT Signing Key

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-111633

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-111633

ZKEACMS

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/SeriaWei/ZKEACMS",
    "vendor": "SeriaWei",
    "product": "ZKEACMS",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "4.4"
      }
    ],
    "packageURL": "pkg:github/SeriaWei/ZKEACMS",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-111633

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#53101 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement