{"id":"PYSEC-2026-538","summary":"SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability","details":"SGLang's multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.","aliases":["CVE-2026-7302","GHSA-qwrp-wghp-94q2"],"modified":"2026-06-29T12:15:09.723768127Z","published":"2026-06-29T11:50:50.577356Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7302"},{"type":"WEB","url":"https://antiproof.ai/blog/three-rces-in-sglang"},{"type":"PACKAGE","url":"https://github.com/sgl-project/sglang"},{"type":"WEB","url":"https://github.com/sgl-project/sglang/tree/main/python/sglang"},{"type":"PACKAGE","url":"https://pypi.org/project/sglang"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-qwrp-wghp-94q2"}],"affected":[{"package":{"name":"sglang","ecosystem":"PyPI","purl":"pkg:pypi/sglang"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.5.5"},{"last_affected":"0.5.12"}]}],"versions":["0.5.10","0.5.10.post1","0.5.10rc0","0.5.11","0.5.12","0.5.5","0.5.5.post1","0.5.5.post2","0.5.5.post3","0.5.6","0.5.6.post1","0.5.6.post2","0.5.7","0.5.8","0.5.8.post1","0.5.9"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/sglang/PYSEC-2026-538.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:H/A:H"}]}