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Vulnerability record · CVE-2026-44604 · published 28 May 2026

CVE-2026-44604: OS command injection vulnerability

A command injection vulnerability was discovered in the `rpmuncompress` utility of RPM. When extracting certain archive formats (ZIP, 7z, GEM) to a specified destination directory, the tool inserts the archive's top-level folder name into a shell command without properly sanitizing it. A specially crafted archive containing shell metacharacters in its folder name can execute arbitrary commands as the user running the extraction.

7.0 CVSS 3.1 High EPSS 0.92% · top 41.3% CWE-78 · OS command injection Awaiting Analysis
7.0CVSS 3.1 base score
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
1 Sep 2026Last modified by NVD

Description

A command injection vulnerability was discovered in the `rpmuncompress` utility of RPM. When extracting certain archive formats (ZIP, 7z, GEM) to a specified destination directory, the tool inserts the archive's top-level folder name into a shell command without properly sanitizing it. A specially crafted archive containing shell metacharacters in its folder name can execute arbitrary commands as the user running the extraction.

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:28491
https://access.redhat.com/security/cve/CVE-2026-44604
https://bugzilla.redhat.com/show_bug.cgi?id=2460967

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Source: NIST National Vulnerability Database (record CVE-2026-44604), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.