CVE-2026-27016

{"id": "CVE-2026-27016", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27016", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-20T15:26:32.832016Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "librenms", "product": "librenms", "versions": [{"status": "affected", "version": ">= 24.10.0, < 26.2.0"}]}]}], "published": "2026-02-20T02:16:55.140", "references": [{"url": "https://github.com/librenms/librenms/commit/3bea263e02441690c01dea7fa3fe6ffec94af335", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/librenms/librenms/pull/19040", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}, {"url": "https://github.com/librenms/librenms/releases/tag/26.2.0", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/librenms/librenms/security/advisories/GHSA-fqx6-693c-f55g", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-116"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 24.10.0 through 26.1.1 are vulnerable to Stored XSS via the unit parameter in Custom OID. The Custom OID functionality lacks strip_tags() sanitization while other fields (name, oid, datatype) are sanitized. The unsanitized value is stored in the database and rendered without HTML escaping. This issue is fixed in version 26.2.0."}, {"lang": "es", "value": "LibreNMS es una herramienta de monitorizaci\u00f3n de red basada en PHP/MySQL/SNMP con auto-descubrimiento. Las versiones 24.10.0 hasta la 26.1.1 son vulnerables a XSS almacenado a trav\u00e9s del par\u00e1metro 'unit' en Custom OID. La funcionalidad Custom OID no realiza una sanitizaci\u00f3n en strip_tags() mientras que otros campos (name, oid, datatype) est\u00e1n sanitizados. El valor no sanitizado se almacena en la base de datos y se renderiza sin escape HTML. Este problema est\u00e1 solucionado en la versi\u00f3n 26.2.0."}], "lastModified": "2026-06-17T10:26:32.463", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5DF70D72-DD59-426A-8938-18E877C05530", "versionEndExcluding": "26.2.0", "versionStartIncluding": "24.10.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}