CVE-2026-42564 jotty·page: Unauthenticated Path Traversal leads to sensitive file disclosure and session-token reuse impact
Unauthenticated attackers can read sensitive files via path traversal in the app-icons API, potentially leading to session token reuse and account takeover.
- 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-2026-42564?
CVE-2026-42564 is a high-severity path traversal vulnerability in fccview jotty, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
jotty·page is a self-hosted app for your checklists and notes. Prior to 1.22.0, an unauthenticated path traversal vulnerability exists in /api/app-icons/[filename]. The filename route parameter is joined into a filesystem path without traversal/boundary validation, allowing file reads outside data/uploads/app-icons/. This vulnerability is fixed in 1.22.0.
Which versions are affected by CVE-2026-42564?
How do I fix CVE-2026-42564?
No fix has been published for CVE-2026-42564 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-2026-42564 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-42564 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-7843-gwq8-g96f.