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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
purocean Yank Note unaffected
Version Status Constraints
0 affected < 3.93.1

No data.

No data.

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/purocean/yn/blob/v3.93.0/src/main/server/index.ts cve-icon cve-icon
https://github.com/purocean/yn/commit/d3b0ad27f7f6388b878eefd828557ae2d2a8789b cve-icon cve-icon
https://github.com/purocean/yn/issues/543 cve-icon cve-icon
https://github.com/purocean/yn/releases/tag/v3.93.1 cve-icon cve-icon
https://www.vulncheck.com/advisories/yank-note-before-3.93.1-path-traversal-via-api-help-endpoint cve-icon cve-icon
History

Mon, 19 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Yank Note before 3.93.1 Path Traversal via /api/help Endpoint
First Time appeared Yank-note
Yank-note yank Note
Weaknesses CWE-22
CPEs cpe:2.3:a:yank-note:yank_note:*:*:*:*:*:*:*:*
Vendors & Products Yank-note
Yank-note yank Note
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-19T16:35:17.856Z

Reserved: 2026-10-17T12:18:55.462Z

Link: CVE-2026-111915

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T14:17:00.740

Modified: 2026-10-19T14:17:00.740

Link: CVE-2026-111915

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T15:30:16Z

Weaknesses