Vulnerability Details CVE-2025-68158
Authlib is a Python library which builds OAuth and OpenID Connect servers. In version 1.6.5 and prior, cache-backed state/request-token storage is not tied to the initiating user session, so CSRF is possible for any attacker that has a valid state (easily obtainable via an attacker-initiated authentication flow). When a cache is supplied to the OAuth client registry, FrameworkIntegration.set_state_data writes the entire state blob under _state_{app}_{state}, and get_state_data ignores the caller’s session altogether. This issue has been patched in version 1.6.6.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.2%
CVSS Severity
CVSS v3 Score 5.7
References
- https://github.com/authlib/authlib/commit/2808378611dd6fb2532b189a9087877d8f0c0489
- https://github.com/authlib/authlib/commit/7974f45e4d7492ab5f527577677f2770ce423228
- https://github.com/authlib/authlib/security/advisories/GHSA-fg6f-75jq-6523
- https://github.com/authlib/authlib/security/advisories/GHSA-fg6f-75jq-6523
Products affected by CVE-2025-68158
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cpe:2.3:a:authlib:authlib:-
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cpe:2.3:a:authlib:authlib:0.1
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cpe:2.3:a:authlib:authlib:0.10
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cpe:2.3:a:authlib:authlib:0.11
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cpe:2.3:a:authlib:authlib:0.12
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cpe:2.3:a:authlib:authlib:0.12.1
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cpe:2.3:a:authlib:authlib:0.13
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cpe:2.3:a:authlib:authlib:0.14
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cpe:2.3:a:authlib:authlib:0.14.1
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cpe:2.3:a:authlib:authlib:0.14.2
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cpe:2.3:a:authlib:authlib:0.14.3
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cpe:2.3:a:authlib:authlib:0.15
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cpe:2.3:a:authlib:authlib:0.15.1
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cpe:2.3:a:authlib:authlib:0.15.2
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cpe:2.3:a:authlib:authlib:0.15.3
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cpe:2.3:a:authlib:authlib:0.15.4
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cpe:2.3:a:authlib:authlib:0.15.5
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cpe:2.3:a:authlib:authlib:0.15.6
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cpe:2.3:a:authlib:authlib:0.2
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cpe:2.3:a:authlib:authlib:0.2.1
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cpe:2.3:a:authlib:authlib:0.3
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cpe:2.3:a:authlib:authlib:0.4
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cpe:2.3:a:authlib:authlib:0.4.1
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cpe:2.3:a:authlib:authlib:0.5
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cpe:2.3:a:authlib:authlib:0.5.1
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cpe:2.3:a:authlib:authlib:0.6
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cpe:2.3:a:authlib:authlib:0.7
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cpe:2.3:a:authlib:authlib:0.8
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cpe:2.3:a:authlib:authlib:0.9
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cpe:2.3:a:authlib:authlib:1.0.0
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cpe:2.3:a:authlib:authlib:1.0.1
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cpe:2.3:a:authlib:authlib:1.1.0
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cpe:2.3:a:authlib:authlib:1.2.0
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cpe:2.3:a:authlib:authlib:1.2.1
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cpe:2.3:a:authlib:authlib:1.3.0
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cpe:2.3:a:authlib:authlib:1.3.1
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cpe:2.3:a:authlib:authlib:1.3.2
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cpe:2.3:a:authlib:authlib:1.4.0
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cpe:2.3:a:authlib:authlib:1.4.1
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cpe:2.3:a:authlib:authlib:1.5.0
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cpe:2.3:a:authlib:authlib:1.5.1
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cpe:2.3:a:authlib:authlib:1.5.2
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cpe:2.3:a:authlib:authlib:1.6.0
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cpe:2.3:a:authlib:authlib:1.6.1
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cpe:2.3:a:authlib:authlib:1.6.2
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cpe:2.3:a:authlib:authlib:1.6.3
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cpe:2.3:a:authlib:authlib:1.6.4
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cpe:2.3:a:authlib:authlib:1.6.5