What is CVE-2026-42564?

CVE-2026-42564 is a high-severity vulnerability in Fccview Jotty, classified under Path Traversal. CVSS score: 8.2/10. Published 2026-05-11.

How severe is CVE-2026-42564?

High severity. CVSS v3 base score is 8.2 out of 10.

Path Traversal in Fccview Jotty

CVE-2026-42564

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 trav…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Fccview Jotty — versions < 1.22.0

Weakness classification (CWE)

CWE-22 — Path Traversal
CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42564?: CVE-2026-42564 is a high-severity vulnerability in Fccview Jotty, classified under Path Traversal. CVSS score: 8.2/10. Published 2026-05-11.
How severe is CVE-2026-42564?: High severity. CVSS v3 base score is 8.2 out of 10.