{"id":"CVE-2023-6021","aliases":["GHSA-3pww-qvr8-6mhp","PYSEC-2026-515"],"title":"Ray Path Traversal vulnerability","summary":"Ray Path Traversal vulnerability","severity":"critical","cvss":9.3,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","vendor":"ray","product":"ray","ecosystem":"pip","affected":["ray < 2.8.1"],"patched":["ray 2.8.1"],"published":"2023-11-16","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:03.998466042Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-3pww-qvr8-6mhp","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6021"},{"url":"https://github.com/ray-project/ray"},{"url":"https://github.com/ray-project/ray/releases/tag/ray-2.8.1"},{"url":"https://huntr.com/bounties/5039c045-f986-4cbc-81ac-370fe4b0d3f8"},{"url":"https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023"}],"tags":["osv","pip","exploit-available"],"epss":0.37076,"epssPercentile":0.98493,"exploits":{"nuclei":["CVE-2023-6021"],"checkedAt":"2026-09-21T15:26:02.142Z"},"exploitAvailable":true,"ingestedAt":"2026-09-12T03:13:01.647Z","slug":"CVE-2023-6021","body":"## Overview\n\nLFI in Ray's log API endpoint allows attackers to read any file on the server without authentication. The issue is fixed in version 2.8.1+. Ray maintainers response can be found here: https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023\n\n## Affected packages\n\n- `ray < 2.8.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `ray 2.8.1`","depth":"abyssal","depthScore":71,"depthScoreParts":{"impact":51.2,"likelihood":7.4,"exploitation":12,"ransomware":0},"changes":[]}