VIR Vulnerability Intelligence Relay

CVE-2026-42203

high
Published 2026-05-08 · Modified 2026-05-12
CVSS v3
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2
—
VIR risk
8.8

Description

LiteLLM: Server-Side Template Injection in /prompts/test endpoint

Predictions

Exploit likelihood
100%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/BerriAI/litellm/security/advisories/GHSA-xqmj-j6mv-4862

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/BerriAI/litellm/releases/tag/v1.83.7-stable

Package impact
EcosystemPackageVulnerableFixed
python PyPIlitellm>=1.80.5,<1.83.71.83.7
PIPlitellm>= 1.80.5, < 1.83.71.83.7

Application impact
VendorProductVersionsFixed
litellmlitellm{"startIncluding":"1.80.5","endExcluding":"1.83.7"}1.83.7

References

CWEs

CWE-1336

Verify integrity in audit chain (admin only). AS-IS.