Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.31.3, when the OIDC login flow completes, backend/modules/auth/providers/auth_oidc_provider.py decodes the id_token returned by the identity provider's token endpoint using jose.jwt.get_unverified_claims() instead of jwt.decode(). This skips signature verification, audience (aud) validation, issuer (iss) validation, and expiry (exp) checking entirely. The extracted claims (email/sub/preferred_username) are then used directly as the user_id for the resulting Tugtainer session. This issue has been patched in version 1.31.3.
Metrics
Affected Vendors & Products
References
History
Thu, 01 Oct 2026 13:45:00 +0000
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Quenary
Quenary tugtainer |
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Quenary
Quenary tugtainer |
Wed, 30 Sep 2026 18:30:00 +0000
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ssvc
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Wed, 30 Sep 2026 17:30:00 +0000
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| Description | Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.31.3, when the OIDC login flow completes, backend/modules/auth/providers/auth_oidc_provider.py decodes the id_token returned by the identity provider's token endpoint using jose.jwt.get_unverified_claims() instead of jwt.decode(). This skips signature verification, audience (aud) validation, issuer (iss) validation, and expiry (exp) checking entirely. The extracted claims (email/sub/preferred_username) are then used directly as the user_id for the resulting Tugtainer session. This issue has been patched in version 1.31.3. | |
| Title | Tugtainer: OIDC id_token claims accepted without signature/audience/expiry verification | |
| Weaknesses | CWE-347 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-09-30T17:01:24.963Z
Updated: 2026-09-30T18:01:20.063Z
Reserved: 2026-09-08T16:44:23.782Z
Link: CVE-2026-87004
Updated: 2026-09-30T18:00:24.758Z
Status : Deferred
Published: 2026-09-30T18:18:41.470
Modified: 2026-09-30T19:57:08.043
Link: CVE-2026-87004
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