VulnerabilityDeferred

CVE-2026-45384

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files.

MEDIUM 6.1EPSS 0.13%

Does this matter?

Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
EPSS: 0.13% probability · 2th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-59, CWE-377
Source: security-advisories@github.com

EPSS trend

EPSS 0.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.