CVE-2026-41082
opam: In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
CVE-2026-41082 is fixed in 2 products on 1 platform, first by opam 2.5.0-1ubuntu0.1~esm1, released April 16, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
10th percentile
In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| opam · Debian 12.15 (bookworm) | 2.1.2-1+deb12u1 | DEBIAN-CVE-2026-41082 | May 15, 2026 |
| opam · Debian 13.5 (trixie) | 2.3.0-1+deb13u1 | DEBIAN-CVE-2026-41082 | May 15, 2026 |
| opam · Debian 14 | 2.5.1-1 | DEBIAN-CVE-2026-41082 | May 15, 2026 |
| opam · Ubuntu 20.04 LTS (focal) | 2.0.5-1ubuntu1+esm1 | opam 2.0.5-1ubuntu1+esm1 | May 15, 2026 |
| opam · Ubuntu 22.04.1 LTS (jammy) | 2.1.2-1+deb12u1build0.22.04.1 | opam 2.1.2-1+deb12u1build0.22.04.1 | May 15, 2026 |
| opam · Ubuntu 24.04.5 LTS (noble) | 2.1.5-1ubuntu0.1~esm2 | opam 2.1.5-1ubuntu0.1~esm2 | May 15, 2026 |
| opam · Ubuntu 25.10 (questing) | 2.3.0-1+deb13u1build0.25.10.1 | opam 2.3.0-1+deb13u1build0.25.10.1 | May 15, 2026 |
| opam · Ubuntu 26.04.1 LTS (resolute) | 2.5.0-1ubuntu0.1~esm1 | opam 2.5.0-1ubuntu0.1~esm1 | Apr 16, 2026 |
| opam · opensuse-leap 16.0 | 2.5.2-bp160.1.1 | OPENSUSE-SU-2026:21380-1 | Jul 18, 2026 |
| opam-installer · Ubuntu 20.04 LTS (focal) | 2.0.5-1ubuntu1+esm1 | opam-installer 2.0.5-1ubuntu1+esm1 | May 15, 2026 |
| opam-installer · Ubuntu 22.04.1 LTS (jammy) | 2.1.2-1+deb12u1build0.22.04.1 | opam-installer 2.1.2-1+deb12u1build0.22.04.1 | May 15, 2026 |
| opam-installer · Ubuntu 24.04.5 LTS (noble) | 2.1.5-1ubuntu0.1~esm2 | opam-installer 2.1.5-1ubuntu0.1~esm2 | May 15, 2026 |
| opam-installer · Ubuntu 25.10 (questing) | 2.3.0-1+deb13u1build0.25.10.1 | opam-installer 2.3.0-1+deb13u1build0.25.10.1 | May 15, 2026 |
| opam-installer · Ubuntu 26.04.1 LTS (resolute) | 2.5.0-1ubuntu0.1~esm1 | opam-installer 2.5.0-1ubuntu0.1~esm1 | Apr 16, 2026 |
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