{"cve":"CVE-2024-6961","nvd":{"published":"2024-07-21T11:15:03.187","modified":"2026-06-17T08:19:04.840","status":"Deferred","description":"RAIL documents are an XML-based format invented by Guardrails AI to enforce formatting checks on LLM outputs. Guardrails users that consume RAIL documents from external sources are vulnerable to XXE, which may cause leakage of internal file data via the SYSTEM entity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-611"],"references":["https://research.jfrog.com/vulnerabilities/guardrails-rail-xxe-jfsa-2024-001035519/","https://research.jfrog.com/vulnerabilities/guardrails-rail-xxe-jfsa-2024-001035519/"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2024-6961","score":0.00408,"percentile":0.35094,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f8hx-f4xw-c646","url":"https://osv.dev/vulnerability/GHSA-f8hx-f4xw-c646","summary":"Guardrails AI vulnerable to Improper Restriction of XML External Entity Reference","modified":"2026-07-07T17:56:21.976497671Z","packages":[{"ecosystem":"PyPI","name":"guardrails-ai","purl":"pkg:pypi/guardrails-ai","ranges":["<0.5.0"],"fixed":["0.5.0"]}]},{"id":"PYSEC-2026-1431","url":"https://osv.dev/vulnerability/PYSEC-2026-1431","summary":"Guardrails AI vulnerable to Improper Restriction of XML External Entity Reference","modified":"2026-07-07T17:47:38.864707437Z","packages":[{"ecosystem":"PyPI","name":"guardrails-ai","purl":"pkg:pypi/guardrails-ai","ranges":["<0.5.0"],"fixed":["0.5.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}