CVE-2026-27806

{"id": "CVE-2026-27806", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27806", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-09T14:24:06.342149Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "fleetdm", "product": "fleet", "versions": [{"status": "affected", "version": "< 4.81.1"}]}]}], "published": "2026-04-08T19:25:13.543", "references": [{"url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-rphv-h674-5hp2", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Fleet is open source device management software. Prior to 4.81.1, the Orbit agent's FileVault disk encryption key rotation flow on collects a local user's password via a GUI dialog and interpolates it directly into a Tcl/expect script executed via exec.Command(\"expect\", \"-c\", script). Because the password is inserted into Tcl brace-quoted send {%s}, a password containing } terminates the literal and injects arbitrary Tcl commands. Since Orbit runs as root, this allows a local unprivileged user to escalate to root privileges. This vulnerability is fixed in 4.81.1."}, {"lang": "es", "value": "Fleet es software de gesti\u00f3n de dispositivos de c\u00f3digo abierto. Antes de la versi\u00f3n 4.81.1, el flujo de rotaci\u00f3n de claves de cifrado de disco FileVault del agente Orbit recopila la contrase\u00f1a de un usuario local a trav\u00e9s de un di\u00e1logo de GUI y la intercala directamente en un script Tcl/expect ejecutado mediante exec.Command(\"expect\", \"-c\", script). Debido a que la contrase\u00f1a se inserta en el comando Tcl send {%s} entre llaves, una contrase\u00f1a que contiene } termina el literal e inyecta comandos Tcl arbitrarios. Dado que Orbit se ejecuta como root, esto permite a un usuario local sin privilegios escalar a privilegios de root. Esta vulnerabilidad se corrigi\u00f3 en la versi\u00f3n 4.81.1."}], "lastModified": "2026-07-25T11:10:00.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09CFBED5-C6C2-4CCB-A48C-7E89E878E4F7", "versionEndExcluding": "4.81.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}