LiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.
Weakness
The product protects a primary channel, but it does not use the same level of protection for an alternate channel.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Litellm | Litellm | * | 2026-04-08 (including) |
| Red Hat Ansible Automation Platform 2.6 | RedHat | ansible-automation-platform-26/lightspeed-chatbot-rhel9:1780102732 | * |
| Red Hat OpenShift AI 3.3 | RedHat | rhoai/odh-llama-stack-core-rhel9:1782310008 | * |
Potential Mitigations
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