{"id":"CVE-2026-115355","published":"2026-10-22T19:17:41.520","lastModified":"2026-10-22T19:17:41.633","description":"Mistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject HTML through unescaped error messages and included file contents to perform cross-site scripting even when escape=True is set.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/lepture/mistune/security/advisories/GHSA-h7ww-273w-6cm8","tags":[]},{"url":"https://www.vulncheck.com/advisories/mistune-before-3.3.0-path-traversal-and-xss-via-include-directive","tags":[]}],"exploitRefs":[{"url":"https://github.com/lepture/mistune/security/advisories/GHSA-h7ww-273w-6cm8","tags":[]}],"hasPoc":true,"ai":null}