Detections
Analytics

CVE-2026-40217

high

Description

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

References

https://thehackernews.com/2026/09/nearly-1-in-10-exposed-litellm-gateways.html

https://thehackernews.com/2026/07/chatgpt-agentforger-flaw-could-deploy.html

https://latesthackingnews.com/2026/06/16/litellm-vulnerability-chain-ai-gateway-patch/

https://thehackernews.com/2026/06/litellm-vulnerability-chain-lets-low.html

https://github.com/HORKimhab/CVE-LiteLLM

https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm/

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40217.json

https://bugzilla.redhat.com/show_bug.cgi?id=2457301

https://access.redhat.com/security/cve/CVE-2026-40217

https://access.redhat.com/errata/RHSA-2026:30056

https://access.redhat.com/errata/RHSA-2026:24866

Details

Source: Mitre, NVD

Published: 2026-04-10

Updated: 2026-07-15

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 7.5

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00188