{"id":"CVE-2026-48189","aliases":["EUVD-2026-33551","GHSA-9prp-8cr9-jvwq"],"status":"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","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00201,"percentile":0.101,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-06-01T03:33:03Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"otrs","product":"otrs"},{"vendor":"otrs ag","product":"otrs"}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-03/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48189"},{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-03"},{"url":"https://github.com/advisories/GHSA-9prp-8cr9-jvwq"}],"sources":{"cve":[{"id":"CVE-2026-48189","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","status":"published","published":"2026-06-01T03:33:03.373Z","modified":"2026-06-01T13:14:49.791Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-33551","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","status":"published","published":"2026-06-01T03:33:03Z","modified":"2026-06-01T13:14:49Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:58.729223Z"}],"ghsa":[{"id":"GHSA-9prp-8cr9-jvwq","title":"An improper Input Validation vulnerability in OTRS Customer Backend module allows to access...","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","status":"published","published":"2026-06-01T06:30:26Z","modified":"2026-06-01T06:30:27Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:08:25.52807Z"}],"nvd":[{"id":"CVE-2026-48189","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","status":"published","published":"2026-06-01T04:16:22.723Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}