Description
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| BerriAI | litellm | < 1.88.6, >= 1.89.0, < 1.96.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-litellm | 1.101.0-1.1 | openSUSE-SU-2026:11800-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | litellm | < 1.88.6 | 1.88.6 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.89.0, < 1.89.7 | 1.89.7 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.90.0, < 1.90.7 | 1.90.7 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.91.0, < 1.91.5 | 1.91.5 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.92.0, < 1.92.2 | 1.92.2 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.93.0, < 1.93.2 | 1.93.2 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.94.0, < 1.94.3 | 1.94.3 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.95.0, < 1.95.1 | 1.95.1 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | >= 1.96.0, < 1.96.2 | 1.96.2 | GHSA-3cv6-jpf6-8222 |
| PyPI | litellm | < 1.88.6 · >= 1.89.0, < 1.89.7 · >= 1.90.0, < 1.90.7 · >= 1.91.0, < 1.91.5 · >= 1.92.0, < 1.92.2 · >= 1.93.0, < 1.93.2 · >= 1.94.0, < 1.94.3 · >= 1.95.0, < 1.95.1 · >= 1.96.0, < 1.96.2 | 1.88.6, 1.89.7, 1.90.7, 1.91.5, 1.92.2, 1.93.2, 1.94.3, 1.95.1, 1.96.2 | PYSEC-2026-4066 |
Advisories 2
- WID-SEC-2026-3162 LiteLLM: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Sep 20, 2026
- openSUSE-SU-2026:11800-1 python313-litellm-1.101.0-1.1 on GA media SUSE / openSUSE Security Updates · Sep 17, 2026
References
- https://github.com/BerriAI/litellm/security/advisories/GHSA-3cv6-jpf6-8222
- https://github.com/BerriAI/litellm/pull/36011
- https://github.com/BerriAI/litellm/pull/36314
- https://github.com/BerriAI/litellm/pull/36494
- https://github.com/BerriAI/litellm/commit/473f72e63a9777d793fbbf57194d8ec4fb97bc1b
- https://github.com/BerriAI/litellm/commit/820f247a6abba55cd87d130bef7bba7be3b29d37
- https://github.com/BerriAI/litellm/commit/c898d341c02299cf2506d0d8e84cc67953043593
- https://github.com/BerriAI/litellm/releases/tag/v1.88.6
- https://github.com/BerriAI/litellm/releases/tag/v1.96.2