Path Traversal in Lsegal Yard

CVE-2026-41493

YARD is a Ruby Documentation tool. Prior to version 0.9.42, a path traversal vulnerability was discovered in YARD when using yard server to serve documentation. This bug would allow unsanitized HTTP requests to access arbitrary files on th…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41493?
CVE-2026-41493 is a high-severity vulnerability in Lsegal Yard, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-08.
How severe is CVE-2026-41493?
High severity. CVSS v3 base score is 7.5 out of 10.