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CVE-2026-41493

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

HIGH
7.5
CVSS Score
Published: May 8, 2026 at 01:13 PM UTC
Updated: October 26, 2026 at 07:10 PM UTC
2 products affected across 2 vendorsYardYard

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Yard· Yardoc
95%
v < 0.9.42
Yard· Lsegal
90%
v < 0.9.42
Affected range stops below 0.9.42, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMMitigationVendor Advisory
Source: cverecord
https://github.com/lsegal/yard/security/advisories/GHSA-3jfp-46x4-xgfj
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/lsegal/yard/releases/tag/v0.9.42

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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