The vulnerability of cloud-based software for Opcenter X’s digital production capabilities, related to errors in verifying cryptographic signatures, allows a hacker to gain full access to the application.

The vulnerability of cloud-based software for digital production in Opcenter X is related to errors in verifying the cryptographic signature. Exploiting this vulnerability could allow a malicious actor to gain full access to the application...

Siemens Opcenter X Token Expiration Vulnerability

Siemens Opcenter X is an industrial operations management and manufacturing execution system developed by the German company Siemens. Siemens Opcenter X has a token expiration vulnerability. Attackers can exploit this vulnerability to forge any JWT, bypass the authentication mechanism, and...

CVE-2026-56451

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

CVE-2026-56451

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

CVE-2026-56451

Opcenter X (all versions

EUVD-2026-43650

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

CVE-2026-56451

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

CVE-2026-56451

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

CVE-2026-56451: Improper Verification of Cryptographic Signature

A vulnerability has been identified in Opcenter X All versions V2604. Affected applications do not properly validate the algorithm specified in the JSON Web Token JWT header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersona...

Siemens Opcenter X

SUMMARY Opcenter X before V2604 contain an authentication bypass vulnerability that could allow an attacker to gain full unauthorized access to the application. Siemens has released a new version for Opcenter X and recommends to update to the latest version. 2. GENERAL RECOMMENDATIONS As a...

PT-2026-58004

Name of the Vulnerable Software and Affected Versions Opcenter X versions prior to V2604 Description An issue exists where the application fails to properly validate the algorithm specified in the JSON Web Token JWT header. This flaw allows an unauthenticated remote attacker to forge arbitrary...