CVE-2026-84838: Rpm: command injection in rpmuncompress via unescaped filenames passed to popen()

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-07

Last Updated

2026-09-25

EPSS Score

1.10% (percentile: 65.5%)

Affected Products (2)

Other

• 21686-17084
• 21847-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-07: Information published.
• 2026-09-09: Information published.
• 2026-09-25: Information published.