HIGHCVSS v3.1 8.6Vulnerability
CVE-2026-111633
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.0034
- Cvss severity
- HIGH
- Cvss score
- 8.6
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 8.6
- Cvss version
- 3.1
- Cve id
- CVE-2026-111633
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- Published at
- 2026-10-16T18:17:43.607
- Last modified
- 2026-10-16T19:04:35.840
- Epss percentile
- 0.2601
Related Entities (1)
HAS_WEAKNESS (1)
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