{"id":"EUVD-2026-30376","revision":"6f9d7133f9754f32b9be3fb22744a300","records":[{"revision":"6f9d7133f9754f32b9be3fb22744a300","observedAt":"2026-10-28T02:53:43.031+00:00","statement":{"source":"euvd","id":"EUVD-2026-30376","aliases":["CVE-2026-26191","GHSA-9vcr-g537-3w5v"],"title":"Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet's software installer pipeline could allow a crafted software package to execute arbitrary commands as root (macOS/Linux) or SYSTEM (Windows) …","description":"Fleet is open source device management software. Prior to version 4.81.0, a vulnerability in Fleet's software installer pipeline could allow a crafted software package to execute arbitrary commands as root (macOS/Linux) or SYSTEM (Windows) on managed endpoints when an uninstall is triggered. When a software package (.pkg, .deb, .rpm, .exe, or .msi) is uploaded to Fleet, metadata is extracted from the package binary and used to generate uninstall scripts. In affected versions, this metadata is not properly sanitized before being included in the generated scripts. A specially crafted package containing malicious values in its metadata fields could result in unintended command execution when the uninstall script runs on managed endpoints. Version 4.81.0 contains a patch. If an immediate upgrade is not possible, administrators should avoid uploading software packages obtained from untrusted or unverified sources. Additionally, administrators can manually inspect and edit auto-generated uninstall scripts before deployment.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":6,"severity":null}],"references":["https://github.com/fleetdm/fleet/security/advisories/GHSA-9vcr-g537-3w5v","https://github.com/fleetdm/fleet/releases/tag/fleet-v4.81.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-30376","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 14, 2026, 7:02:12 PM","dateUpdated":"May 15, 2026, 2:15:18 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-30376","identifiers":["EUVD-2026-30376","CVE-2026-26191","GHSA-9vcr-g537-3w5v"]},"retained":false,"historicalAffected":[]}],"coverage":[]}