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Vulnerability record · CVE-2009-2261 · published 30 June 2009

CVE-2009-2261: Giorgio tani peazip improper input validation vulnerability

GGiorgio Tani · Peazip

PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.

9.3 CVSS 2.0 High EPSS 41% · top 1.4% CWE-20 · Improper input validation
9.3CVSS 2.0 base score
41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

PeaZIP 2.6.1, 2.5.1, and earlier on Windows allows user-assisted remote attackers to execute arbitrary commands via a .zip archive with a .txt file whose name contains | (pipe) characters and a command.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.exploit-db.com/exploits/8881
http://www.exploit-db.com/exploits/8881

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-2261), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.