HIGH 7.1 NVD
CVE-2026-115354
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
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.
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-in
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-10-22 via NVD.
vulnfeed aggregates 17279 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.