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...

EUVD-2026-103055

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...

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...

CVE-2026-111633 ZKEACMS through 4.4 Authentication Bypass via Hard-Coded JWT Signing Key

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...

CVE-2026-111633 ZKEACMS through 4.4 Authentication Bypass via Hard-Coded JWT Signing Key

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...

CVE-2026-111633

The ZKEACMS content management system, versions through 4.4 , is vulnerable to an authentication bypass due to a hard-coded HMAC-SHA256 signing key located in JwtBearerDefaults.cs. Unauthenticated attackers can forge REST API JWT bearer tokens by setting the Name claim to 'admin'. This allows una...

PT-2026-116032

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...

Mr. Wei ZKEACMS encryption issue vulnerabilities

Version 4.4 and earlier of Mr. Wei’s software have encryption-related vulnerabilities. These vulnerabilities stem from the use of a hardcoded HMAC-SHA256 signature key, which allows unverified attackers to forge REST API JWT holder tokens. They can set the Name declaration to “admin”, call the...