CVE-2026-111915 Yank Note before 3.93.1 Path Traversal via /api/help Endpoint
Unauthenticated attackers can read arbitrary files, including SSH keys and configurations, via path traversal in the /api/help endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111915?
CVE-2026-111915 is a high-severity path traversal vulnerability in purocean Yank Note, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-111915?
How do I fix CVE-2026-111915?
No fix has been published for CVE-2026-111915 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-111915 being exploited?
There is no known exploitation of CVE-2026-111915 in the wild and no public exploit code.
Sources
Also known as GHSA-46p6-h3r3-3fvj.