CVE-2026-52817

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{"affected": [{"affectedData": [{"product": "monitoring-plugins", "vendor": "Linuxfabrik", "versions": [{"status": "affected", "version": "< 5.1.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Linuxfabrik Monitoring Plugins provides monitoring plugins for Icinga, Nagios, and related systems. Prior to version 5.1.0, the shipped assets/sudoers/Debian.sudoers policy allowed the nagios or icinga account to execute /usr/bin/apt-get as root without restricting its arguments. An attacker who already controls that monitoring account can supply the APT::Update::Pre-Invoke option to execute an arbitrary command while apt-get runs with root privileges, resulting in a root shell and complete compromise of the host. The vulnerable rule supports the check-plugins/deb-updates/deb-updates plugin, but it authorized arbitrary apt-get argument sequences rather than only the required apt-get update --quiet 2 command. This issue is fixed in version 5.1.0."}, {"lang": "es", "value": "Linuxfabrik Monitoring Plugins proporciona plugins de monitorizaci\u00f3n para Icinga, Nagios y sistemas relacionados. Antes de la versi\u00f3n 5.1.0, la pol\u00edtica assets/sudoers/Debian.sudoers incluida permit\u00eda a la cuenta nagios o icinga ejecutar /usr/bin/apt-get como root sin restringir sus argumentos. Un atacante que ya controla esa cuenta de monitorizaci\u00f3n puede proporcionar la opci\u00f3n APT::Update::Pre-Invoke para ejecutar un comando arbitrario mientras apt-get se ejecuta con privilegios de root, lo que resulta en un shell de root y un compromiso completo del host. La regla vulnerable admite el plugin check-plugins/deb-updates/deb-updates, pero autorizaba secuencias de argumentos apt-get arbitrarias en lugar de solo el comando requerido apt-get update --quiet 2. Este problema est\u00e1 solucionado en la versi\u00f3n 5.1.0."}], "id": "CVE-2026-52817", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-52817", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-19T19:03:21.047851Z", "version": "2.0.3"}}]}, "published": "2026-08-18T21:16:34.820", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Linuxfabrik/monitoring-plugins/blob/main/CHANGELOG.md#v510---2026-05-30"}, {"source": "security-advisories@github.com", "url": "https://github.com/Linuxfabrik/monitoring-plugins/commit/694b5daeebadc9a51428f3de1acff7b1f737642f"}, {"source": "security-advisories@github.com", "url": "https://github.com/Linuxfabrik/monitoring-plugins/releases/tag/v5.1.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-8w6w-23mq-h8rg"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-8w6w-23mq-h8rg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "monitoring-plugins", "source": "cna", "vendor": "Linuxfabrik"}, "product": "monitoring-plugins", "vendor": "linuxfabrik"}], "created": "2026-08-18T23:00:13.468119+00:00", "updated": "2026-08-21T16:30:06.982254+00:00", "vendors": ["linuxfabrik", "linuxfabrik$PRODUCT$monitoring-plugins"], "weaknesses": ["CWE-88"]}