Medium (5.5) in archiver project archiver. EPSS 2.5% chance of exploitation in the next 30 days. Fixed in github.com/mholt/archiver 2.1.0, 2.1.0+incompatible.
mholt/archiver golang package before e4ef56d48eb029648b0e895bb0b6a393ef0829c3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in an archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Severity
CVSS 3.0
5.5 medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)