---
cve: "CVE-2026-41082"
severity: "HIGH"
cvss: 7.3
epss: "0.2%"
vendor: "OCaml"
kev: false
exploited: false
published: "2026-04-16 18:16:45"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T16:07:49+02:00"
---

# CVE-2026-41082

> 7.3 HIGH · 🧪 PoC

## Beschreibung

In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Patch verfügbar (OSV)

- 6218d0c4c022106034a93c8ecb5b80fa213d7356 (Commit)

## Referenzen

- <https://github.com/ocaml/opam/releases/tag/2.5.1>
- <https://github.com/ocaml/opam/pull/6897>
- <https://osv.dev/vulnerability/OSEC-2026-03>
- <https://lists.debian.org/debian-lts-announce/2026/04/msg00021.html>
- <https://access.redhat.com/security/cve/CVE-2026-41082>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2459003>
- <https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41082.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-41082) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_