{"id":"CVE-2026-9258","aliases":["EUVD-2026-37018","GHSA-98v4-mv97-2f2x"],"status":"published","title":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","description":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00267,"percentile":0.18944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-06-15T23:35:41Z","modified":"2026-06-18T17:08:16Z","products":[{"vendor":"canon","product":"eos_network_setting_tool"},{"vendor":"canon inc.","product":"eos network setting tool for macos"},{"vendor":"canon inc.","product":"eos network setting tool for windows"}],"references":[{"url":"https://psirt.canon/advisory-information/cp2026-005/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://canon.jp/support/support-info/260615vulnerability-response","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://www.canon-europe.com/support/product-security/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9258"},{"url":"https://psirt.canon/advisory-information/cp2026-005"},{"url":"https://www.canon-europe.com/support/product-security"},{"url":"https://github.com/advisories/GHSA-98v4-mv97-2f2x"}],"sources":{"cve":[{"id":"CVE-2026-9258","description":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","status":"published","published":"2026-06-15T23:35:41.442Z","modified":"2026-06-16T12:47:23.858Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-37018","description":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","status":"published","published":"2026-06-15T23:35:41Z","modified":"2026-06-16T12:47:23Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:40.605509Z"}],"ghsa":[{"id":"GHSA-98v4-mv97-2f2x","title":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","description":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","status":"published","published":"2026-06-16T00:34:24Z","modified":"2026-06-16T00:34:34Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/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:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:08:48.16867Z"}],"nvd":[{"id":"CVE-2026-9258","description":"Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier","status":"published","published":"2026-06-16T00:16:35.46Z","modified":"2026-06-18T17:08:16.017Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/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:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:24.19758Z"}]}}