CVE-2026-28280

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{"affected": [{"affectedData": [{"product": "osctrl", "vendor": "jmpsec", "versions": [{"status": "affected", "version": "< 0.5.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jmpsec:osctrl:*:*:*:*:*:*:*:*", "matchCriteriaId": "CCE1BE74-A736-44A6-ABC7-D1D48E7A0EA5", "versionEndExcluding": "0.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "osctrl is an osquery management solution. Prior to version 0.5.0, a stored cross-site scripting (XSS) vulnerability exists in the `osctrl-admin` on-demand query list. A user with query-level permissions can inject arbitrary JavaScript via the query parameter when running an on-demand query. The payload is stored and executes in the browser of any user (including administrators) who visits the query list page. This can be chained with CSRF token extraction to escalate privileges and take actions as the logged in user. An attacker with query-level permissions (the lowest privilege tier) can execute arbitrary JavaScript in the browsers of all users who view the query list. Depending on their level of access, it can lead to full platform compromise if an administrator executes the payload. The issue is fixed in osctrl `v0.5.0`. As a workaround, restrict query-level permissions to trusted users, monitor query list for suspicious payloads, and/or review osctrl user accounts for unauthorized administrators."}, {"lang": "es", "value": "osctrl es una soluci\u00f3n de gesti\u00f3n de osquery. Antes de la versi\u00f3n 0.5.0, existe una vulnerabilidad de cross-site scripting (XSS) almacenado en la lista de consultas bajo demanda de 'osctrl-admin'. Un usuario con permisos a nivel de consulta puede inyectar JavaScript arbitrario a trav\u00e9s del par\u00e1metro de consulta al ejecutar una consulta bajo demanda. La carga \u00fatil se almacena y se ejecuta en el navegador de cualquier usuario (incluidos los administradores) que visita la p\u00e1gina de la lista de consultas. Esto se puede encadenar con la extracci\u00f3n de tokens CSRF para escalar privilegios y realizar acciones como el usuario conectado. Un atacante con permisos a nivel de consulta (el nivel de privilegio m\u00e1s bajo) puede ejecutar JavaScript arbitrario en los navegadores de todos los usuarios que ven la lista de consultas. Dependiendo de su nivel de acceso, puede llevar a un compromiso total de la plataforma si un administrador ejecuta la carga \u00fatil. El problema est\u00e1 solucionado en osctrl 'v0.5.0'. Como soluci\u00f3n alternativa, restrinja los permisos a nivel de consulta a usuarios de confianza, supervise la lista de consultas en busca de cargas \u00fatiles sospechosas, y/o revise las cuentas de usuario de osctrl en busca de administradores no autorizados."}], "id": "CVE-2026-28280", "lastModified": "2026-06-17T10:28:25.383", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28280", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-02T20:41:56.223101Z", "version": "2.0.3"}}]}, "published": "2026-02-26T23:16:37.740", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/jmpsec/osctrl/pull/778"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/jmpsec/osctrl/pull/780"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://github.com/jmpsec/osctrl/security/advisories/GHSA-4rv8-5cmm-2r22"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.5.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "osctrl", "source": "cna", "vendor": "jmpsec"}, "product": "osctrl", "vendor": "jmpsec"}], "analysis": {"en": {"generated_at": "2026-04-16T15:54:50.319246+00:00", "value": {"mitigation_remediation": ["Upgrade osctrl to version 0.5.0 or later", "Restrict query\u2011level permissions to trusted users", "Monitor the on\u2011demand query list for suspicious payloads", "Review osctrl user accounts to ensure no unauthorized administrators exist"], "summary": {"action": "Apply Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "jmpsec osctrl versions earlier than 0.5.0 are affected; only systems running the vulnerable version of osctrl and hosting the osctrl\u2011admin interface are at risk.", "description_and_impact": "The vulnerability is a stored cross\u2011site scripting flaw in the osctrl\u2011admin on\u2011demand query list, where a user with query\u2011level permissions can inject arbitrary JavaScript into the query parameter when running an on\u2011demand query. The injected payload is persisted and later executed in the browsers of any user who visits the query list page, including administrators. By chaining the script with CSRF token extraction, an attacker can elevate privileges and perform actions as the logged\u2011in user, potentially leading to full platform compromise if an administrator runs the payload.", "risk_and_exploitability": "With a CVSS score of 6.1 the flaw is classified as medium severity. The EPSS score of fewer than 1% indicates a very low likelihood of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Attackers must possess query\u2011level permissions, which is the lowest privilege tier, to inject the malicious code; once injected, the script can affect all users who view the query list page."}}}}, "created": "2026-02-27T09:03:42.499256+00:00", "updated": "2026-04-16T16:00:13.874345+00:00", "vendors": ["jmpsec", "jmpsec$PRODUCT$osctrl"]}