{"id":"CVE-2026-18157","aliases":["EUVD-2026-51380","GHSA-f9rr-qg3x-wq4m"],"status":"published","title":"Yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: remote code execution via apt argument injection","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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00356,"percentile":0.29577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2026-07-31T02:38:28Z","modified":"2026-11-04T22:10:32Z","products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"redhatinsights","product":"yggdrasil-worker-package-manager"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-18157","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2465250","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://github.com/RedHatInsights/yggdrasil-worker-package-manager/commit/959745bb5917c17f0316af199aace6c71baa5ad7","tags":["fix"]},{"url":"https://github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.1.4","tags":["web"]},{"url":"https://github.com/RedHatInsights/yggdrasil-worker-package-manager/releases/tag/0.2.4","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18157","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f9rr-qg3x-wq4m"},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18157.json","tags":["advisory"]},{"url":"https://github.com/RedHatInsights/yggdrasil-worker-package-manager","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-18157","title":"Yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: remote code execution via apt argument injection","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.","status":"published","published":"2026-07-31T02:38:28.243Z","modified":"2026-11-04T22:10:32.074Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-88"],"updated_at":"2026-11-04T23:40:09.798467Z"}],"euvd":[{"id":"EUVD-2026-51380","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.","status":"published","published":"2026-07-31T02:38:28Z","modified":"2026-11-04T22:10:32Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T23:47:18.620008Z"}],"ghsa":[{"id":"GHSA-f9rr-qg3x-wq4m","title":"A flaw was found in yggdrasil-worker-package-manager. A local attacker with existing access to...","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.","status":"published","published":"2026-07-31T03:31:17Z","modified":"2026-07-31T03:31:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:09:59.725505Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-07-31T03:16:25.223Z","modified":"2026-11-04T22:18:02.093Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-88"],"updated_at":"2026-11-04T23:43:39.62057Z"}],"osv":[{"id":"CVE-2026-18157","title":"Yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: remote code execution via apt argument injection","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.","status":"published","published":"2026-07-31T02:38:28.243Z","modified":"2026-11-05T21:15:50.460701385Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-05T22:01:21.792402Z"}]}}