CVE-2026-41493
HighSummary
In the YARD documentation tool, prior to version 0.9.42, a path traversal vulnerability was discovered that allowed access to arbitrary files on the YARD server host machine due to unsanitized HTTP requests. This issue has been patched in version 0.9.42.
Risk Assessment
Organizations may be exposed to unauthorized access to sensitive files on the server, potentially leading to data disclosure or other serious security incidents.
Recommendation
It is recommended to update YARD to version 0.9.42 or later to mitigate this vulnerability and to review and secure the server configuration.
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Original NVD description (English source)
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.