CVE-2026-35029: LiteLLM proxy configuration endpoint privilege escalation

# CVE-2026-35029: LiteLLM proxy configuration endpoint privilege escalation

https://gcdradar.vercel.app/incidents/cve-2026-35029-litellm-proxy-configuration-endpoint-privileg · AIR-2026-0550 · closed 2026-04-03

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-03
- AI role: Attack on AI
- Products: LiteLLM
- CVE ids: CVE-2026-35029
- CVSS: 8.7

## Summary

An unauthenticated or low-privilege vulnerability in LiteLLM permits proxy configuration modifications and arbitrary file reads. The flaw was addressed in version 1.83.0.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-06: CVE-2026-35029: LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. (https://nvd.nist.gov/vuln/detail/CVE-2026-35029)
- 2026-04-03: CVE-2026-35029: LiteLLM: Privilege escalation via unrestricted proxy configuration endpoint (https://github.com/advisories/GHSA-53mr-6c8q-9789)

## Sources

- 2026-04-03 GitHub Advisory Database: CVE-2026-35029: LiteLLM: Privilege escalation via unrestricted proxy configuration endpoint https://github.com/advisories/GHSA-53mr-6c8q-9789
- 2026-04-06 NVD: CVE-2026-35029: LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. https://nvd.nist.gov/vuln/detail/CVE-2026-35029

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.