CVE-2026-41493CWE-22

yard: Possible arbitrary path traversal and file access via yard server

Medium · published May 8, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
43.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00522 · 43.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-05-08T13:13Z
EPSS history
Timeline
  • 08 MAY 13:13Z
    yard: Possible arbitrary path traversal and file access via yard server
    cvelistv5