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

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/lsegal/yard/releases/tag/v0.9.42	Product Release Notes
https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yardoc:yard:*:*:*:*:*:*:*:*

History

12 May 2026, 14:38

Type	Values Removed	Values Added
References	~~() https://github.com/lsegal/yard/releases/tag/v0.9.42 -~~	() https://github.com/lsegal/yard/releases/tag/v0.9.42 - Product, Release Notes
References	~~() https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj -~~	() https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj - Mitigation, Vendor Advisory
First Time		Yardoc Yardoc yard
CPE		cpe:2.3:a:yardoc:yard::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

08 May 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-08 14:16

Updated : 2026-05-12 14:38

NVD link : CVE-2026-41493

Mitre link : CVE-2026-41493

CVE.ORG link : CVE-2026-41493

JSON object : View

Products Affected

yardoc

yard

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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