{"id":"CVE-2026-115354","revision":"12fab5eecd4446d78a547ee82fd5a475","records":[{"revision":"12fab5eecd4446d78a547ee82fd5a475","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-115354","aliases":[],"title":"Mistune before 3.3.0 Arbitrary Local File Read via Include Directive","description":"Mistune before 3.3.0 contains a path traversal vulnerability in the opt-in Include directive that allows attackers to read local files by supplying relative or absolute include paths. Attackers who submit Markdown rendered via Markdown.read() can disclose files such as /etc/passwd and inject unescaped HTML or script content into rendered output.","state":0,"publishedAt":"2026-10-22T19:13:31.132+00:00","modifiedAt":"2026-10-22T19:13:31.132+00:00","affected":[{"ecosystem":"Vendor product","name":"mistune","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"lepture\",\n                    \"product\": \"mistune\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/mistune\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.3.0\"\n                        },\n                        {\n                            \"version\": \"3.3.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/lepture/mistune/security/advisories/GHSA-jhcm-5rpf-j3wv","https://www.vulncheck.com/advisories/mistune-before-3.3.0-arbitrary-local-file-read-via-include-directive"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115354","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115354","identifiers":["CVE-2026-115354"]},"retained":false,"historicalAffected":[]}],"coverage":[]}