Bug 2568059

Summary: CVE-2026-44681 python-authlib: Authlib: Open Redirect vulnerability via omitted OpenID scope in authorization request [fedora-44]
Product: [Fedora] Fedora Reporter: Ronit Dey <rdey>
Component: python-authlibAssignee: Kai A. Hiller <fedora>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 44CC: chihlee, davidkirwanirl, epel-packagers-sig, fedora, python-packagers-sig
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["b8a88fd8-f64e-45ea-9bcf-5e940133a6d4"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On:    
Bug Blocks: 2482364    

Description Ronit Dey 2026-11-06 09:10:01 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's OpenIDImplicitGrant and OpenIDHybridGrant authorization endpoint lets a remote attacker cause the authorization server to issue an HTTP 302 to an attacker-chosen URL by submitting an authorization request that omits the openid scope. This vulnerability is fixed in 1.6.12 and 1.7.1.