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.
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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Solution
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Workaround
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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 |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: siemens
Published:
Updated: 2026-07-14T09:19:18.322Z
Reserved: 2026-06-22T13:17:54.241Z
Link: CVE-2026-56451
Vulnrichment
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OpenCVE Enrichment
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