{"id":"CVE-2026-48189","state":"PUBLISHED","title":"Bypass DedicatedAgentToCustomerGroups Setting","description":"An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups. Please note that the feature has to be anabled and CustomerGroupSupport has to be used to be affected.\n\nThis issue affects OTRS: \n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.4.X","publishedAt":"2026-06-01T03:33:03.373Z","updatedAt":"2026-06-01T13:14:49.791Z","severity":{"score":5.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","source":"OTRS"},"assigner":"OTRS","products":["OTRS AG OTRS"],"affected":[{"vendor":"OTRS AG","product":"OTRS","defaultStatus":"affected","versions":[{"version":"7.0.x","status":"affected"},{"version":"8.0.x","status":"affected"},{"version":"2023.x","status":"affected"},{"version":"2024.x","status":"affected"},{"version":"2025.x","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Customer Backend"]}],"references":["https://otrs.com/release-notes/otrs-security-advisory-2026-03/"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48189.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48189","state":"PUBLISHED","datePublished":"2026-06-01T03:33:03.373Z","dateUpdated":"2026-06-01T13:14:49.791Z","assignerShortName":"OTRS","assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateReserved":"2026-05-21T07:53:13.254Z"},"containers":{"cna":{"title":"Bypass DedicatedAgentToCustomerGroups Setting","descriptions":[{"lang":"en","value":"An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups. Please note that the feature has to be anabled and CustomerGroupSupport has to be used to be affected.\n\nThis issue affects OTRS: \n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.4.X"}],"affected":[{"vendor":"OTRS AG","product":"OTRS","defaultStatus":"affected","versions":[{"version":"7.0.x","status":"affected"},{"version":"8.0.x","status":"affected"},{"version":"2023.x","status":"affected"},{"version":"2024.x","status":"affected"},{"version":"2025.x","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Customer Backend"]}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-03/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"OTRS","orgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateUpdated":"2026-06-01T03:33:03.373Z"},"datePublic":"2026-06-01T07:00:00.000Z","impacts":[{"capecId":"CAPEC-54","descriptions":[{"lang":"en","value":"CAPEC-54 Query System for Information"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches<br>"}],"value":"Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches"}],"source":{"advisory":"OSA-2026-03","defect":["Ticket#2026052110000161","Issue#3780"],"discovery":"USER"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T13:14:38.008285Z","id":"CVE-2026-48189","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-01T13:14:49.791Z"}}]}}}