CVE-2026-111915
Yank Note before 3.93.1 Path Traversal via /api/help Endpoint
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
Yank Note before 3.93.1 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files via the path or doc parameter of /api/help. Attackers can supply repeated '../' segments, which bypass the single-replacement sanitization in the publicly allowlisted endpoint, to read SSH keys, configuration, or notes.
| CWE | CWE-22 |
| Vendor | purocean |
| Product | yank note |
| Published | Oct 19, 2026 |
| Last Updated | Oct 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
purocean / Yank Note
0 < 3.93.1
References
github.com: https://github.com/purocean/yn/issues/543 github.com: https://github.com/purocean/yn/commit/d3b0ad27f7f6388b878eefd828557ae2d2a8789b github.com: https://github.com/purocean/yn/blob/v3.93.0/src/main/server/index.ts github.com: https://github.com/purocean/yn/releases/tag/v3.93.1 vulncheck.com: https://www.vulncheck.com/advisories/yank-note-before-3.93.1-path-traversal-via-api-help-endpoint
Credits
George Chen