Path Traversal in Msiemens Onenote.rs

CVE-2026-46671

Rust OneNote File Parser is a parser for Microsoft OneNote files implemented in Rust. Prior to version 1.1.1, a maliciously crafted `.onetoc2` table-of-contents file can cause `Parser::parse_notebook` to open arbitrary files on the host fi…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-46671?
CVE-2026-46671 is a medium-severity vulnerability in Msiemens Onenote.rs, classified under Path Traversal. CVSS score: 4.4/10. Published 2026-07-20.
How severe is CVE-2026-46671?
Medium severity. CVSS v3 base score is 4.4 out of 10.