CVE-2026-12796

BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration

LOW 2.1EPSS 0.6%

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.

Affected: BerriAI · litellm
CVSS v4.0 VULDB: 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v4.0 GitHub: 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS v3.1 VULDB: 6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v2.0 VULDB: 6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS: 0.57% chance of exploitation in the next 30 days, 46th percentile
Published: 2026-06-21
Updated: 2026-06-22

Proof-of-concept exploits (1)

https://gist.github.com/YLChen-007/5fa8af12e1b183674d7ca96d852fb697

CVE-2026-12796

Proof-of-concept exploits (1)

Security advisories

References