The zip:// URL wrapper provided by the PECL zip extension in PHP before 4.4.7, and 5.2.0 and 5.2.1, does not implement safemode or open_basedir checks, which allows remote attackers to read ZIP archives located outside of the intended directories.
Severity
Medium 5.0
Published
14 Mar 2007
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
2% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 12 Nov 2026