CVE-2026-42271

BerriAI litellmActively Exploited (CISA KEV)CVSS 8.7KEV0-Day

Actively exploited (CISA KEV) - patch before 2026-06-22

BerriAI LiteLLM contains a command injection vulnerability that could allow any authenticated user, including holders of low-privilege internal-user keys, to run arbitrary commands on the host.

Actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. No distribution fix is listed yet; apply vendor mitigations and monitor.

Recommended action: No fix is published yet for an actively-exploited flaw. Apply vendor mitigations, restrict exposure, and watch for a patch.

CVE-2026-42271 BerriAI litellm Actively Exploited (CISA KEV)

Severity metrics

CVSS 4.0 : 8.7 HIGH · CVSS 3.1 : 8.8 HIGH

Attack vectorNetwork (remote)

Attack complexityLow

Attack requirementsPresent

Privileges requiredLow

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Subsequent confidentialityHigh

Subsequent integrityNone

Subsequent availabilityNone

Vector: AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

No affected package in the tracked watchlist yet (Debian, Ubuntu, Arch, SUSE, Red Hat...). Triage may still be pending.

Sources

Advisory NVD CVE.org

Published 2026-06-08 · updated 2026-07-04 · source: CISA Known Exploited Vulnerabilities