{"id":"CVE-2026-84850","aliases":["EUVD-2026-79188","GHSA-m9jg-rh2h-mw5m"],"status":"published","title":"Improper certificate validation in the shared HTTP client used by synchronization and integration...","description":"Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00141,"percentile":0.03519,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-09-15T19:11:12Z","modified":"2026-09-20T03:31:30Z","products":[{"vendor":"devolutions","product":"server"}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0030/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84850"},{"url":"https://devolutions.net/security/advisories/DEVO-2026-0030"},{"url":"https://github.com/advisories/GHSA-m9jg-rh2h-mw5m"}],"sources":{"cve":[{"id":"CVE-2026-84850","description":"Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.","status":"published","published":"2026-09-15T19:11:12.745Z","modified":"2026-09-20T00:38:07.754Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-79188","description":"Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.","status":"published","published":"2026-09-15T19:11:12Z","modified":"2026-09-20T00:38:07Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:06.225065Z"}],"ghsa":[{"id":"GHSA-m9jg-rh2h-mw5m","title":"Improper certificate validation in the shared HTTP client used by synchronization and integration...","description":"Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.","status":"published","published":"2026-09-15T21:31:24Z","modified":"2026-09-20T03:31:30Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:12:14.055197Z"}],"nvd":[{"id":"CVE-2026-84850","description":"Improper certificate validation in the shared HTTP client used by synchronization and integration features in Devolutions Server 2026.2.16 and earlier allows a network-positioned attacker to intercept and tamper with outbound TLS connections via a spoofed or self-signed certificate.","status":"published","published":"2026-09-15T19:17:44.183Z","modified":"2026-09-20T01:16:30.577Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:47.668237Z"}]}}