CVE-2026-45390
CVE-2026-45390
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 9.1EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
15 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In OCaml-tar before 3.4.0, a crafted archive with ../ path segments in its name allows escaping the current working directory. This is not desired behavior, and tar(1) rejects such extractions, but ocaml-tar decompresses it anyway. The impact is that it allows arbitrary file writes outside of the desired extraction directory (to an attacker that can reach a tar decompression endpoint).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
n/a · n/a