What’s Vulnerable › Vulnerabilities

CVE-2026-40217

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 15.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-10 · updated 2026-10-26
• Weakness: CWE-420

Description

LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.

Affected products

• BerriAI litellm: through 2026-04-08

References

• https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/
• https://access.redhat.com/errata/RHSA-2026:24866
• https://access.redhat.com/errata/RHSA-2026:30056
• https://access.redhat.com/security/cve/CVE-2026-40217
• https://bugzilla.redhat.com/show_bug.cgi?id=2457301
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40217.json

Get alerted when CVE-2026-40217 or the next vulnerability affects your stack