{"id":"CVE-2026-81679","state":"PUBLISHED","title":"OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API","description":"OpenRemote versions before 1.28.0 contain a cross-realm information disclosure vulnerability in the Notification REST API that allows per-realm tenant administrators to read all tenants' sent notifications including message bodies. Attackers with read:admin credentials in one realm can submit a zero-parameter GET request to the notification endpoint to retrieve sensitive notification metadata and message content from all realms.","publishedAt":"2026-08-27T14:50:45.924Z","updatedAt":"2026-10-08T15:51:44.741Z","severity":{"score":8.3,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["openremote openremote"],"affected":[{"vendor":"openremote","product":"openremote","packageURL":"pkg:maven/io.openremote/openremote-manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.28.0","versionType":"semver"},{"version":"1.28.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/openremote/openremote/security/advisories/GHSA-6ff4-4frc-r287","https://www.vulncheck.com/advisories/openremote-before-1.28.0-cross-realm-information-disclosure-via-notification-api"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/81xxx/CVE-2026-81679.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-81679","state":"PUBLISHED","datePublished":"2026-08-27T14:50:45.924Z","dateUpdated":"2026-10-08T15:51:44.741Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-27T11:11:30.933Z"},"containers":{"cna":{"title":"OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API","descriptions":[{"lang":"en","value":"OpenRemote versions before 1.28.0 contain a cross-realm information disclosure vulnerability in the Notification REST API that allows per-realm tenant administrators to read all tenants' sent notifications including message bodies. Attackers with read:admin credentials in one realm can submit a zero-parameter GET request to the notification endpoint to retrieve sensitive notification metadata and message content from all realms."}],"affected":[{"vendor":"openremote","product":"openremote","packageURL":"pkg:maven/io.openremote/openremote-manager","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.28.0","versionType":"semver"},{"version":"1.28.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/openremote/openremote/security/advisories/GHSA-6ff4-4frc-r287","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-6ff4-4frc-r287)"},{"url":"https://www.vulncheck.com/advisories/openremote-before-1.28.0-cross-realm-information-disclosure-via-notification-api","name":"VulnCheck Advisory: OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.3,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:51:44.741Z"},"datePublic":"2026-08-13T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openremote:openremote:*:*:*:*:*:*:*:*","versionEndExcluding":"1.28.0"}]}]}],"credits":[{"lang":"en","value":"manus-use","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T18:24:08.911302Z","id":"CVE-2026-81679","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-28T15:59:40.080Z"}}]}}}