CVE-2026-111915

EUVD-2026-104318
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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.44%
Common Weakness Enumeration
References
https://github.com/purocean/yn/blob/v3.93.0/src/main/server/index.ts
https://github.com/purocean/yn/commit/d3b0ad27f7f6388b878eefd828557ae2d2a8789b
https://github.com/purocean/yn/issues/543
https://github.com/purocean/yn/releases/tag/v3.93.1
https://www.vulncheck.com/advisories/yank-note-before-3.93.1-path-traversal-via-api-help-endpoint