All vulnerabilities
CVE-2026-111633

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

SeriaWei ZKEACMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 23 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.34%Chance of exploitation activity in the next 30 days, higher than 26% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published16 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 1

  • ZKEACMSaffected: all versions through 4.4CVE List

References 5