CVE-2026-41493

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductYard
PublishedMay 8, 2026
First seenMay 8, 2026

How to fix

Update
  • yardoc yard0.9.42 or later

Affected products

ProductAffected versionsFixed in
yardoc yardv < 0.9.420.9.42

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