CyberSecBulletin

Rubyzip vulnerabilities

We track 1 vulnerability in Rubyzip products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on September 3, 2026.

1vulnerabilities
0critical
1high
0exploited
7.5average CVSS score

Latest Rubyzip vulnerabilities

  • 7.5 High severity

    rubyzip: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-85396Rubyzip

    rubyzip versions before 3.4.0 contain a path traversal vulnerability in Zip::Entry#extract that fails to properly validate extraction paths using prefix comparison without trailing separators. Attackers can craft archive entries with names like ../upload_backu