{"id":"CVE-2026-26987","state":"PUBLISHED","title":"LibreNMS affected by reflected XSS via email field","description":"LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are vulnerable to  Reflected XSS attacks via email field. This issue has been fixed in version 26.2.0.","publishedAt":"2026-02-20T01:11:13.925Z","updatedAt":"2026-02-20T15:35:18.059Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["librenms librenms"],"affected":[{"vendor":"librenms","product":"librenms","versions":[{"version":"< 26.2.0","status":"affected"}]}],"references":["https://github.com/librenms/librenms/security/advisories/GHSA-gqx7-99jw-6fpr","https://github.com/librenms/librenms/pull/19038","https://github.com/librenms/librenms/commit/8e626b38ef92e240532cdac2ac7e38706a71208b","https://github.com/librenms/librenms/releases/tag/26.2.0"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/26xxx/CVE-2026-26987.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-26987","state":"PUBLISHED","datePublished":"2026-02-20T01:11:13.925Z","dateUpdated":"2026-02-20T15:35:18.059Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-17T01:41:24.606Z"},"containers":{"cna":{"title":"LibreNMS affected by reflected XSS via email field","descriptions":[{"lang":"en","value":"LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are vulnerable to  Reflected XSS attacks via email field. This issue has been fixed in version 26.2.0."}],"affected":[{"vendor":"librenms","product":"librenms","versions":[{"version":"< 26.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-gqx7-99jw-6fpr","name":"https://github.com/librenms/librenms/security/advisories/GHSA-gqx7-99jw-6fpr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/librenms/librenms/pull/19038","name":"https://github.com/librenms/librenms/pull/19038","tags":["x_refsource_MISC"]},{"url":"https://github.com/librenms/librenms/commit/8e626b38ef92e240532cdac2ac7e38706a71208b","name":"https://github.com/librenms/librenms/commit/8e626b38ef92e240532cdac2ac7e38706a71208b","tags":["x_refsource_MISC"]},{"url":"https://github.com/librenms/librenms/releases/tag/26.2.0","name":"https://github.com/librenms/librenms/releases/tag/26.2.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-20T01:11:13.925Z"},"source":{"advisory":"GHSA-gqx7-99jw-6fpr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-20T15:31:42.695704Z","id":"CVE-2026-26987","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-20T15:35:18.059Z"}}]}}}