CVE-2026-41493

EUVD-2026-28554
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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 31.56%
Affected Products (NVD)
VendorProductVersion
yardocyard
𝑥
< 0.9.42
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yard
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
no-dsa
bullseye (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yard
bionic
Fixed 0.9.12-2ubuntu0.1~esm2
released
focal
Fixed 0.9.24-1+deb11u1ubuntu0.1~esm1
released
jammy
Fixed 0.9.26-1ubuntu0.1+esm1
released
noble
Fixed 0.9.36-1ubuntu0.1~esm1
released
questing
ignored
resolute
Fixed 0.9.38-1ubuntu0.1~esm1
released
xenial
ignored