High severity7.8NVD Advisory· Published Jul 31, 2026· Updated Aug 3, 2026
CVE-2026-18157
CVE-2026-18157
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.
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Affected products
1Patches
Vulnerability mechanics
References
5- access.redhat.com/security/cve/CVE-2026-18157nvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/RedHatInsights/yggdrasil-worker-package-manager/commit/959745bb5917c17f0316af199aace6c71baa5ad7nvd
- github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.1.4nvd
- github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.2.4nvd
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