{"id":"CVE-2026-67861","details":"An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component","modified":"2026-10-28T02:30:43.026453441Z","published":"2026-08-04T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67861.json"},"references":[{"type":"WEB","url":"https://raw.githubusercontent.com/open62541/open62541/v1.5.5/examples/custom_datatype/client_types_custom.c"},{"type":"WEB","url":"https://raw.githubusercontent.com/open62541/open62541/v1.5.5/src/client/ua_client_util.c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67861.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67861"},{"type":"REPORT","url":"https://github.com/open62541/open62541/issues/8140"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open62541/open62541","events":[{"introduced":"0"},{"last_affected":"3bdeed5dfe8309cecabf36e04afe956b7f72ebd8"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"1.5.5"}],"source":"DESCRIPTION"}]}}],"versions":["v1.5.5","v1.5.4","v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.5.0-rc2","v1.5.0-rc1","v1.2-rc1","v1.1","v1.1-rc1","basic256sha256","v1.1-dev","v1.0-dev","v1.0-rc3","v0.2.0-RC1","v0.1.0-RC4","v0.1.0-RC1","v0.0.0-150309","v0.1-automation14"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67861.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N"}]}