CVE-2026-41082

EUVD-2026-23288
In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
ocamlopam
𝑥
< 2.5.1
debiandebian_linux
11.0
redhatenterprise_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
opam
bookworm
2.1.2-1+deb12u1
fixed
bookworm (security)
2.1.2-1+deb12u2
fixed
bullseye
vulnerable
bullseye (security)
2.0.8-1+deb11u1
fixed
forky
2.5.1-2
fixed
sid
2.5.2-1
fixed
trixie
2.3.0-1+deb13u1
fixed
trixie (security)
2.3.0-1+deb13u2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
opam
bionic
ignored
focal
Fixed 2.0.5-1ubuntu1+esm1
released
jammy
Fixed 2.1.2-1+deb12u1build0.22.04.1
released
noble
Fixed 2.1.5-1ubuntu0.1~esm2
released
questing
Fixed 2.3.0-1+deb13u1build0.25.10.1
released
resolute
Fixed 2.5.0-1ubuntu0.1~esm1
released
xenial
ignored