{"id":"CVE-2026-67864","aliases":["DEBIAN-CVE-2026-67864","EUVD-2026-53673","GHSA-5xh2-h93h-x38x","UBUNTU-CVE-2026-67864"],"status":"published","title":"An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service...","description":"An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement type-instantiation logic component","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00759,"percentile":0.55562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-08-05T00:00:00Z","modified":"2026-10-28T02:31:09Z","affected":[{"source":"osv","ecosystem":"Debian:13","package":"open62541","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.11.1-1","1.4.18-1"]},{"source":"osv","ecosystem":"Debian:14","package":"open62541","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.11.1-1","1.4.18-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"open62541","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.11.1-1build1","1.4.18-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"open62541","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.11.1-1","1.4.11.1-1build1"]}],"references":[{"url":"https://github.com/open62541/open62541/issues/8133","tags":["exploit","report"]},{"url":"https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c","tags":["web","report"]},{"url":"https://github.com/open62541/open62541/blob/v1.5.5/examples/ci_server.c","tags":["web","report"]},{"url":"https://github.com/open62541/open62541/blob/v1.5.5/plugins/ua_accesscontrol_default.c","tags":["web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67864","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5xh2-h93h-x38x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67864.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-67864","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-67864","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-67864","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-67864","description":"An 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component","status":"published","published":"2026-08-05T22:17:07.68Z","modified":"2026-10-01T03:03:48.348135188Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:01.68444Z"},{"id":"UBUNTU-CVE-2026-67864","description":"An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement type-instantiation logic component","status":"published","published":"2026-08-05T22:17:00Z","modified":"2026-10-17T13:00:40.104995802Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"}]}}