{"id":"PYSEC-2026-1571","summary":"Llama Stack could potentially allow for remote code execution","details":"Llama Stack prior to version v0.2.20 accepted unverified parameters in the resolve_ast_by_type function which could potentially allow for remote code execution.","aliases":["CVE-2025-55178","GHSA-x75h-m6jj-6cj2"],"modified":"2026-07-07T17:46:54.134086467Z","published":"2026-07-07T16:03:05.377636Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55178"},{"type":"WEB","url":"https://github.com/llamastack/llama-stack/pull/3281"},{"type":"WEB","url":"https://github.com/llamastack/llama-stack/commit/efdb5558b8dcab4d141678bfed0a405e2f312b6f"},{"type":"PACKAGE","url":"https://github.com/llamastack/llama-stack"},{"type":"WEB","url":"https://github.com/llamastack/llama-stack/releases/tag/v0.2.20"},{"type":"WEB","url":"https://www.facebook.com/security/advisories/cve-2025-55178"},{"type":"PACKAGE","url":"https://pypi.org/project/llama-stack"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-x75h-m6jj-6cj2"}],"affected":[{"package":{"name":"llama-stack","ecosystem":"PyPI","purl":"pkg:pypi/llama-stack"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.20"}]}],"versions":["0.0.18","0.0.19","0.0.1a0","0.0.1a1","0.0.1a2","0.0.1a3","0.0.1a4","0.0.1a5","0.0.20","0.0.21","0.0.23","0.0.24","0.0.35","0.0.36","0.0.37","0.0.38","0.0.39","0.0.40","0.0.41","0.0.42","0.0.43","0.0.44","0.0.45","0.0.46","0.0.47","0.0.48","0.0.49","0.0.50","0.0.51","0.0.51.dev0","0.0.52","0.0.53","0.0.54","0.0.55","0.0.56","0.0.57","0.0.58","0.0.59","0.0.60","0.0.61","0.0.62","0.0.63","0.1.0","0.1.1","0.1.2","0.1.3","0.1.4","0.1.5","0.1.5.1","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.10","0.2.10.1","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.16","0.2.17","0.2.18","0.2.19","0.2.2","0.2.3","0.2.4","0.2.5","0.2.6","0.2.7","0.2.8","0.2.9"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/llama-stack/PYSEC-2026-1571.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}