{"id":"CVE-2026-78850","state":"PUBLISHED","title":"An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component. NOTE: the Supplier disputes the relevance","description":"An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component. NOTE: the Supplier disputes the relevance of this report because the site administrator is a trusted party, and would not plausibly set main_url to a URL that offers additional information to an adversary.","publishedAt":"2026-10-15T00:00:00.000Z","updatedAt":"2026-10-26T13:00:40.358Z","severity":{"score":5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/matomo-org/matomo","https://github.com/matomo-org/matomo/tree/5.11.2","https://github.com/matomo-org/matomo/security/advisories","https://matomo.org/","https://github.com/SLO-CYBER-SEC/CVE-2026-78850","https://github.com/matomo-org/matomo/pull/24834"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/78xxx/CVE-2026-78850.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78850","state":"PUBLISHED","datePublished":"2026-10-15T00:00:00.000Z","dateUpdated":"2026-10-26T13:00:40.358Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-08-25T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component. NOTE: the Supplier disputes the relevance of this report because the site administrator is a trusted party, and would not plausibly set main_url to a URL that offers additional information to an adversary."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/matomo-org/matomo"},{"url":"https://github.com/matomo-org/matomo/tree/5.11.2"},{"url":"https://github.com/matomo-org/matomo/security/advisories"},{"url":"https://matomo.org/"},{"url":"https://github.com/SLO-CYBER-SEC/CVE-2026-78850"},{"url":"https://github.com/matomo-org/matomo/pull/24834"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-10-26T13:00:40.358Z"},"tags":["disputed"]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/SLO-CYBER-SEC/CVE-2026-78850","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T17:48:05.284989Z","id":"CVE-2026-78850","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","type":"CWE","lang":"en","description":"CWE-918 Server-Side Request Forgery (SSRF)"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T17:48:34.638Z"}}]}}}