{"id":"CVE-2026-115354","aliases":[],"cve":{"records":[{"id":"CVE-2026-115354","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-22T11:20:02.626Z","published":"2026-10-22T19:13:31.132Z","modified":"2026-10-29T02:25:47.787Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-22T19:13:31.132Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T02:25:47.787Z"}],"references":[{"url":"https://github.com/lepture/mistune/security/advisories/GHSA-jhcm-5rpf-j3wv","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/mistune-before-3.3.0-arbitrary-local-file-read-via-include-directive","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/lepture/mistune/security/advisories/GHSA-jhcm-5rpf-j3wv","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:*","versionEndExcluding":"3.3.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T02:25:25.823823Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Mistune before 3.3.0 Arbitrary Local File Read via Include Directive","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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output.","score":7.1,"severity":"high","published":"2026-10-22T19:13:31.132Z","modified":"2026-10-29T02:25:47.787Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"lepture","name":"mistune","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"3.3.0","versionType":"semver"},{"version":"3.3.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:pypi/mistune","packageIdentity":{"ecosystem":"PyPI","name":"mistune"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-115354"}],"remediation":[],"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"],"sources":[{"name":"CVE","id":"CVE-2026-115354","modified":"2026-10-29T02:25:47.787Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115354"}],"assessments":[{"source":"VulnCheck","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},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:20.787Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T17:10:32.267Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T08:15:36.686Z","attemptedAt":"2026-10-29T08:15:36.686Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T08:15:36.411Z","attemptedAt":"2026-10-29T08:15:36.411Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T08:15:35.836Z","attemptedAt":"2026-10-29T08:15:35.836Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T08:15:36.278Z","attemptedAt":"2026-10-29T08:15:36.278Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-108423","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108423","modified":"Oct 29, 2026, 2:25:47 AM","score":7.1,"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","checkedAt":"2026-10-29T08:15:35.836Z"},{"source":"FIRST EPSS","id":"CVE-2026-115354","url":"https://www.first.org/epss/","probability":0.00333,"percentile":0.26498,"date":"2026-10-28","checkedAt":"2026-10-29T08:15:36.278Z"},{"source":"GitHub Advisory Database","id":"GHSA-r6px-88r6-4rqg","url":"https://github.com/advisories/GHSA-r6px-88r6-4rqg","modified":"2026-10-22T21:32:43Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-29T08:15:36.411Z"},{"source":"NVD","id":"CVE-2026-115354","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115354","modified":"2026-10-29T04:18:26.563","score":7.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T08:15:36.686Z"},{"source":"NVD","id":"CVE-2026-115354","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115354","modified":"2026-10-29T04:18:26.563","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","checkedAt":"2026-10-29T08:15:36.686Z"}],"aiSummary":{"text":"Mistune before 3.3.0 has a path traversal vulnerability in the Include directive, allowing local file reads. Attackers can disclose files like /etc/passwd by submitting Markdown.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:41:29.309Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115354"}]}}