Vulnerability-Lookup

GHSA-3926-2JVF-FG29

Vulnerability from github – Published: 2026-04-10 15:31 – Updated: 2026-05-11 16:17

Withdrawn 2026-05-11

Summary

Duplicate Advisory: LiteLLM has a sandbox escape in custom-code guardrail

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-wxxx-gvqv-xp7p. This link is maintained to preserve external references.

Original Description

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

Severity

8.8 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "litellm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.81.8"
            },
            {
              "fixed": "1.83.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-420"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-11T16:17:14Z",
    "nvd_published_at": "2026-04-10T14:16:36Z",
    "severity": "HIGH"
  },
  "details": "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-wxxx-gvqv-xp7p. This link is maintained to preserve external references.\n\n### Original Description\nLiteLLM through 2026-04-08 allows remote attackers to execute arbitrary code via bytecode rewriting at the /guardrails/test_custom_code URI.",
  "id": "GHSA-3926-2jvf-fg29",
  "modified": "2026-05-11T16:17:14Z",
  "published": "2026-04-10T15:31:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40217"
    },
    {
      "type": "WEB",
      "url": "https://www.x41-dsec.de/lab/advisories/x41-2026-001-litellm"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Duplicate Advisory: LiteLLM has a sandbox escape in custom-code guardrail",
  "withdrawn": "2026-05-11T16:17:14Z"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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