CVE-2026-95521
Rpm: rpm: shell command injection via macro expansion of source/spec file basenames when installing a source rpm
- State
- Published
- Severity
- 7.8 High
- Published
- Sep 24, 2026
- Updated
- Nov 1, 2026
- Reserved
- Sep 22, 2026
Description
A command injection flaw was found in rpm. Installing or rebuilding a source RPM whose source or spec file basenames contain a %() macro construct causes rpm to execute an attacker-controlled shell command via popen() while relocating the source file list. This allows arbitrary command execution as the invoking (typically non-root) user, simply by installing, rebuilding, or otherwise processing an untrusted .src.rpm.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 10Red Hat | |
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Hardened ImagesRed Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-95521vdb-entry
- RHBZ#2537812issue-tracking
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