This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Siemens | Opcenter X | unknown |
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No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Thu, 16 Jul 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | JWT Algorithm Validation Failure Enables Full Account Takeover in Siemens Opcenter X |
Tue, 14 Jul 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 14 Jul 2026 10:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application. | |
| Weaknesses | CWE-347 | |
| References |
| |
| Metrics |
cvssV3_1
|
Subscriptions
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MITRE
Status: PUBLISHED
Assigner: siemens
Published:
Updated: 2026-07-14T14:30:15.376Z
Reserved: 2026-06-22T13:17:54.241Z
Link: CVE-2026-56451
Vulnrichment
Updated: 2026-07-14T14:26:46.824Z
NVD
No data.
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-07-16T07:45:05Z