CVE-2026-42271

BerriAI LiteLLM command injection, confirmed exploited in the wild.

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.

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91%chance of exploitation in the next 30 days (EPSS), 99th percentile

8 Junadded to CISA's Known Exploited Vulnerabilities list, 2026

22 Junfederal remediation deadline, already passed

Passedpast the deadline: patch now

CISA's name for it	BerriAI LiteLLM Command Injection Vulnerability
Vendor and product	BerriAI · LiteLLM
Type	command injection · CWE-78, CWE-77
Exploited	Confirmed by CISA listed 8 June 2026
Likelihood	one of the most likely to be exploited of every vulnerability tracked
Deadline	22 June 2026 · already passed
Used in ransomware	Not reported
Advisories	github.com ↗ · github.com ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Apply the vendor fix; command injection on an exposed device is used within days of disclosure.

Step 2

Restrict the management interface to a trusted network until the fix is in.

Step 3

Review the device's logs and configuration for changes you did not make.

CISA's required action	Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Questions

CVE-2026-42271 in short

Is CVE-2026-42271 being exploited?

Yes. CISA added CVE-2026-42271 to its Known Exploited Vulnerabilities catalogue on 8 June 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2026-42271?

US federal agencies must remediate it by 22 June 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2026-42271 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 91%, the 99th percentile of every CVE it scores.

How do I fix CVE-2026-42271?

Apply the vendor fix; command injection on an exposed device is used within days of disclosure. Restrict the management interface to a trusted network until the fix is in. Review the device's logs and configuration for changes you did not make.

Same vendor

Other BerriAI vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-59822	LiteLLM	authentication bypass	2 September 2026
CVE-2026-42208	LiteLLM	SQL injection	8 May 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.