{"id":"CVE-2026-66154","aliases":["EUVD-2026-56943","GHSA-5h7r-wrwv-5rj5"],"status":"published","title":"An insufficient certificate validation in a privileged communication workflow, was identified in...","description":"An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00201,"percentile":0.10108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-08-11T20:12:25Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"sonicwall","product":"gms"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66154"},{"url":"https://github.com/advisories/GHSA-5h7r-wrwv-5rj5"}],"sources":{"cve":[{"id":"CVE-2026-66154","description":"An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.","status":"published","published":"2026-08-11T20:12:25.413Z","modified":"2026-08-12T14:47:58.659Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-56943","description":"An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.","status":"published","published":"2026-08-11T20:12:25Z","modified":"2026-08-12T14:47:58Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:58.638592Z"}],"ghsa":[{"id":"GHSA-5h7r-wrwv-5rj5","title":"An insufficient certificate validation in a privileged communication workflow, was identified in...","description":"An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.","status":"published","published":"2026-08-11T21:33:13Z","modified":"2026-08-12T00:31:10Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:10:22.198935Z"}],"nvd":[{"id":"CVE-2026-66154","description":"An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.","status":"published","published":"2026-08-11T21:17:49.6Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}