Vulnerability in Siemens Opcenter X
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 fo…
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Siemens Opcenter X — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-56451?
- CVE-2026-56451 is a critical-severity vulnerability in Siemens Opcenter X, classified under Improper Verification of Cryptographic Signature. CVSS score: 10.0/10. Published 2026-07-14.
- How severe is CVE-2026-56451?
- Critical severity. CVSS v3 base score is 10.0 out of 10.