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yard before 0.9.20 allows path traversal.

Priority LOW 37CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

yard before 0.9.20 allows path traversal.

Why it matters now

EPSS 0.02334 83rd percentileScored 2026-11-07
Fix Fixed yard (yard): 0.9.20yard (RubyGems): 0.9.20

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
yardyardbefore 0.9.200.9.20Patch availableCNA
—yard (RubyGems)before 0.9.200.9.20Patch availableGHSA-xfhh-rx56-rxcr
  • yard Vendoryard Affected before 0.9.20 Fixed in 0.9.20 Patch available CNA
  • yard (RubyGems) Vendor— Affected before 0.9.20 Fixed in 0.9.20 Patch available GHSA-xfhh-rx56-rxcr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yardoc:yard:*:*:*:*:*:*:*:*before 0.9.20VulnerableYardoc
  • cpe:2.3:a:yardoc:yard:*:*:*:*:*:*:*:* Versions before 0.9.20 Vulnerable ·Yardoc

Remediation

  • Fix · CNA yard (yard) Fixed in 0.9.20
  • Fix · GHSA-xfhh-rx56-rxcr yard (RubyGems) Fixed in 0.9.20 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat OpenStack Platform 16.1
  • Red Hat OpenStack Platform 16.2
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1020001
  2. 2026-10-03 Alias added: GHSA-xfhh-rx56-rxcr

References

  • TI-2024-18124 YARD's default template vulnerable to Cross-site Scripting in generated frames.html CVSS 3.1MEDIUM 6.1
  • TI-2017-12509 lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative… CVSS 3.0HIGH 7.5
  • TI-2026-30080 yard: Possible arbitrary path traversal and file access via yard server CVSS 4.0MEDIUM 6.9

Sources