{"id":"CVE-2026-1698","aliases":["EUVD-2026-8842","GHSA-35x7-r658-wx7f"],"status":"published","title":"HTTP Host header vulnerability in WebClient and WebScheduler web apps","description":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/RE:M/U:Clear","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00243,"percentile":0.15573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-644"],"published":"2026-02-26T07:58:00Z","modified":"2026-07-09T18:32:08Z","products":[{"vendor":"arcinfo","product":"pcvue"}],"references":[{"url":"https://www.pcvue.com/security/#SB2026-2","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1698"},{"url":"https://github.com/advisories/GHSA-35x7-r658-wx7f"}],"sources":{"cve":[{"id":"CVE-2026-1698","title":"HTTP Host header vulnerability in WebClient and WebScheduler web apps","description":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps.","status":"published","published":"2026-02-26T07:58:00.626Z","modified":"2026-03-26T08:25:09.394Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/RE:M/U:Clear","level":"medium","assessor":"cna"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-8842","description":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps.","status":"published","published":"2026-02-26T07:58:00Z","modified":"2026-03-26T08:25:09Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/RE:M/U:Clear","level":"medium"}],"updated_at":"2026-11-02T19:25:28.569748Z"}],"ghsa":[{"id":"GHSA-35x7-r658-wx7f","title":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue...","description":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps.","status":"published","published":"2026-02-26T09:30:27Z","modified":"2026-03-12T15:31:27Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:Clear","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T15:06:35.141921Z"}],"nvd":[{"id":"CVE-2026-1698","description":"A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps.","status":"published","published":"2026-02-26T08:16:19.897Z","modified":"2026-07-09T18:32:08.463Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:Clear","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-644"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}