Bug 2491143 (CVE-2026-12796)

Summary:	CVE-2026-12796 litellm: litellm: Session expiration vulnerability in SSO Authentication Flow
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dschmidt, erezende, ilpinto, jkoehler, jlanda, jwong, kshier, lphiri, ltomasbo, omaciel, simaishi, smcdonal, stcannon, teagle, ttakamiy, yguenane, ykashtan
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in BerriAI litellm. A remote attacker could exploit a vulnerability in the `get_redirect_response_from_openid` function within the SSO Authentication Flow component. This manipulation leads to session expiration, potentially causing a denial of service for authenticated users.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2026-06-21 11:01:22 UTC

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.