What is CVE-2026-45384?

CVE-2026-45384 is a medium-severity vulnerability in Rikyoz Bit7z, classified under Improper Link Resolution Before File Access. CVSS score: 6.1/10. Published 2026-06-10.

How severe is CVE-2026-45384?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Rikyoz Bit7z

CVE-2026-45384

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive u…

EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Rikyoz Bit7z — versions < 4.0.12

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access
CWE-377 — Insecure Temporary File

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45384?: CVE-2026-45384 is a medium-severity vulnerability in Rikyoz Bit7z, classified under Improper Link Resolution Before File Access. CVSS score: 6.1/10. Published 2026-06-10.
How severe is CVE-2026-45384?: Medium severity. CVSS v3 base score is 6.1 out of 10.