CVE entry · CVE-2026-42271
CVE-2026-42271: BerriAI LiteLLM Command Injection Vulnerability
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: added to CISA’s KEV catalog on June 8, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: June 22, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes BerriAI LiteLLM, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.