CVE-2026-45380

CVE-2026-45380

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, a one-byte off-by-one error in SafeOutPathBuilder::restoreSymlink() allows an attacker to craft a .7z archive th…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45380?
CVE-2026-45380 is a low-severity vulnerability, classified under Path Traversal. CVSS score: 3.6/10. Published 2026-06-10.
How severe is CVE-2026-45380?
Low severity. CVSS v3 base score is 3.6 out of 10.