CVE Explorer
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 filesystem outside the notebook's directory. The parser reads entry names listed inside the `.onetoc2` and joins them against the notebook's base directory without validating that they are relative paths confined to that directory. The parser will bail out when t
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"onenote.rs","vendor":"msiemens","versions":[{"status":"affected","version":"< 1.1.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/msiemens/onenote.rs/blob/master/CHANGELOG.md#111---2026-05-15","tags":["x_refsource_MISC"],"url":"https://github.com/msiemens/onenote.rs/blob/master/CHANGELOG.md#111---2026-05-15"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/references/2
{"name":"https://github.com/msiemens/onenote.rs/commit/c9267b2c96e2542be7e7b557d67318e81b733585","tags":["x_refsource_MISC"],"url":"https://github.com/msiemens/onenote.rs/commit/c9267b2c96e2542be7e7b557d67318e81b733585"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/references/1
{"name":"https://github.com/msiemens/onenote.rs/releases/tag/v1.1.1","tags":["x_refsource_MISC"],"url":"https://github.com/msiemens/onenote.rs/releases/tag/v1.1.1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/references/3
{"name":"https://github.com/msiemens/onenote.rs/security/advisories/GHSA-4j5m-wc25-pvh7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/msiemens/onenote.rs/security/advisories/GHSA-4j5m-wc25-pvh7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:0fa11da5561088e269201bfa7b264e6b0cf7c2096f2c195d73531c6a5a7be8ee · sha256:5f8f434e94ce9f4e… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.