CVE-2026-41493 MEDIUM

CVE-2026-41493: yard: Possible arbitrary path traversal and file access via yard server

Vendor Lsegal
Product yard
Weakness CWE-22 · Path traversal
Published May 8, 2026
Last update May 8, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 the machine of a yard server host under certain conditions. This issue has been patched in version 0.9.42.

Key dates

02Disclosure timeline

May 8, 2026 CVE published
May 8, 2026 Record updated