What is CVE-2026-45390?

CVE-2026-45390 is a critical-severity vulnerability in N/a, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-06-15.

How severe is CVE-2026-45390?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in N/a

CVE-2026-45390

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 imp…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-45390?: CVE-2026-45390 is a critical-severity vulnerability in N/a, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-06-15.
How severe is CVE-2026-45390?: Critical severity. CVSS v3 base score is 9.1 out of 10.