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Affected Vendors & Products
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Solution
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Workaround
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Tue, 31 Mar 2026 15:15:00 +0000
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ssvc
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Tue, 31 Mar 2026 03:00:00 +0000
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| Description | OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse() method silently discards the signature segment of the compact JWT (header.payload.signature), and the getAccessToken() methods in both OpenIdConnectApi and OpenIdConnectFullConfigurableApi only validate claim-level fields (issuer, audience, state, nonce) without any cryptographic signature verification against the Identity Provider's JWKS endpoint. This issue has been patched in version 20.2.5. | |
| Title | OpenOLAT: Authentication bypass via forged JWT in OIDC implicit flow | |
| Weaknesses | CWE-287 CWE-347 |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-31T14:08:07.327Z
Reserved: 2026-03-10T15:10:10.656Z
Link: CVE-2026-31946
Updated: 2026-03-31T14:08:03.414Z
Status : Received
Published: 2026-03-30T21:17:09.440
Modified: 2026-03-30T21:17:09.440
Link: CVE-2026-31946
No data.
OpenCVE Enrichment
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