---
id: CVE-2026-111915
title: Yank Note before 3.93.1 Path Traversal via /api/help Endpoint
summary: >-
  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 t…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: purocean
product: Yank Note
affected:
  - yank_note < 3.93.1
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T13:55:08.190Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111915'
references:
  - url: 'https://github.com/purocean/yn/issues/543'
  - url: >-
      https://github.com/purocean/yn/commit/d3b0ad27f7f6388b878eefd828557ae2d2a8789b
  - url: 'https://github.com/purocean/yn/blob/v3.93.0/src/main/server/index.ts'
  - url: 'https://github.com/purocean/yn/releases/tag/v3.93.1'
    label: Yank Note v3.93.1 Release Notes
  - url: >-
      https://www.vulncheck.com/advisories/yank-note-before-3.93.1-path-traversal-via-api-help-endpoint
    label: >-
      VulnCheck Advisory: Yank Note before 3.93.1 Path Traversal via /api/help
      Endpoint
tags:
  - cve.org
ingestedAt: '2026-10-19T14:30:01.079Z'
---

## Overview

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.

## Affected

- `yank_note < 3.93.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.