CVE WatchJul 23, 2026

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 a

CVSS

6.1

Medium

EPSS

0.1%

KEV

—

Exploit Today

0-100

Published: Jun 10, 2026 · Last modified: Jul 23, 2026 · CWE-59 · CWE-377

EPSS · 30d

0.1%EPSS · 30 days0.2%

2026-09-272026-10-25

Technical description

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 update. This issue has been patched in version 4.0.12.

Official references

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