{"schema":"threatline.record/2","record":{"id":"CVE-2026-115353","aliases":["GHSA-9jjx-3hq3-hx4j"],"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.","categories":["Unclassified"],"product":"mistune","vendor":"lepture","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115353","source_modified_at":"2026-10-22T19:13:30.422Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"mistune","vendor":"lepture","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.3.0"},{"version":"3.3.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115353","source_modified_at":"2026-10-22T19:13:30.422Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"mistune","ecosystem":null},"version":"3.3.0","basis":"first unaffected version stated in the CVE record"}],"cvss":9.2,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00387,"percentile":0.31651,"score_date":"2026-10-23"},"published_at":"2026-10-22T19:13:30.422Z","modified_at":"2026-10-22T19:13:30.422Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-115353","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T19:13:30.422Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-115353","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/lepture/mistune/security/advisories/GHSA-9jjx-3hq3-hx4j","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/mistune-before-3.3.0-path-traversal-via-include-directive","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T19:13:30.422Z","content_hash":"55b639edb45ddd92fce75fbf0ac7901f7402cb0b80535bc175cb8fbc14feaf67"}}