CVE-2026-18157

high

Description

A flaw was found in yggdrasil-worker-package-manager. A local attacker with existing access to the system could exploit an argument injection vulnerability in the APT backend. This allows specially crafted package names, which begin with a hyphen, to be misinterpreted as command options by apt-get. Successful exploitation could lead to remote code execution (RCE) with root privileges, enabling the attacker to fully compromise the system's integrity, confidentiality, and availability.

References

https://github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.2.4

https://github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.1.4

https://github.com/RedHatInsights/yggdrasil-worker-package-manager/commit/959745bb5917c17f0316af199aace6c71baa5ad7

https://bugzilla.redhat.com/show_bug.cgi?id=2465250

https://access.redhat.com/security/cve/CVE-2026-18157

Details

Source: Mitre, NVD

Published: 2026-07-31

Updated: 2026-07-31

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High