CVE-2026-12799 BerriAI litellm Incomplete Fix CVE-2025-0628 internal_user_endpoints.py ui_view_users improper authorization
Attackers can bypass authorization in LiteLLM's user management endpoints to view or modify user data remotely.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-12799?
CVE-2026-12799 is a medium-severity missing authorization vulnerability in BerriAI litellm, published on 21 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function ui_view_users of the file litellm/proxy/management_endpoints/internal_user_endpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
Which versions are affected by CVE-2026-12799?
3 open source packages ship an affected version, including litellm. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
litellm PyPI | All versions to 1.82.2 | None |
litellm PyPI | All versions to 1.82.2 | None |
litellm PyPI | All versions to 1.82.2 | None |
Products include Litellm Litellm.
How do I fix CVE-2026-12799?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-12799 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12799 exists.
Other vulnerabilities in BerriAI litellm
Sources
Also known as CLEANSTART-2026-XP33533, GHSA-m2v5-74w2-qhcj, MINI-97g9-52rf-m8f9, MINI-c337-59f5-hfhg, MINI-c7j7-xcx6-7w5m, MINI-x82g-fp2g-x5r7 and 1 more.