{"id":"CVE-2026-115353","aliases":["GHSA-9jjx-3hq3-hx4j"],"url":"https://o3.security/vulnerability/CVE-2026-115353","summary":"Mistune before 3.3.0 Path Traversal via include Directive","details":"Mistune before 3.3.0 contains a path traversal vulnerability in the RST include directive that allows attackers to read arbitrary files by supplying relative or absolute paths. Attackers can submit markdown containing include directives referencing ../ sequences or absolute paths to embed sensitive files like credentials or environment data in rendered HTML.","published":"2026-10-22T19:13:30.422Z","modified":"2026-10-24T02:48:35.780244681Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115353.json"},{"type":"ADVISORY","url":"https://github.com/lepture/mistune/security/advisories/GHSA-9jjx-3hq3-hx4j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115353"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mistune-before-3.3.0-path-traversal-via-include-directive"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T02:48:35.780244681Z"}}