{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "librenms", "vendor": "librenms", "versions": [{"lessThan": "26.3.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*", "matchCriteriaId": "A43AE03C-7129-4F1F-B01C-28637F82A1B4", "versionEndExcluding": "26.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the\u00a0Binary Locations\u00a0config\u00a0and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server."}], "id": "CVE-2026-6204", "lastModified": "2026-06-17T11:00:29.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6204", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-13T12:42:55.779944Z", "version": "2.0.3"}}]}, "published": "2026-04-13T11:16:06.243", "references": [{"source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a", "tags": ["Third Party Advisory"], "url": "https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh"}, {"source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a", "tags": ["Exploit", "Third Party Advisory"], "url": "https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc"}], "sourceIdentifier": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a", "type": "Secondary"}]}