{"schema_version":1,"title":"Open62541 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 13 vulnerabilities in Open62541: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116014, was published on 24 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/vendors/open62541","json_url":"https://junglewise.ai/threats/vendors/open62541.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/open62541","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":true,"counts":{"high":9,"all_time":13,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":2,"last_365_days":13},"latest":[{"cve":"CVE-2026-116014","cvss":8.1,"slug":"cve-2026-116014-open62541-1-5-0-before-1-5-7-contains-an-integer-overflow-in-ua","title":"open62541 integer overflow in UA_DataType_fromStructureDescription()","severity":"high","exploited":false,"published_at":"2026-10-24T12:16:57.607+00:00","url":"https://junglewise.ai/threats/cve-2026-116014-open62541-1-5-0-before-1-5-7-contains-an-integer-overflow-in-ua"},{"cve":"CVE-2026-82623","cvss":5.3,"epss":0.007,"slug":"cve-2026-82623-open62541-use-after-free-in-history-backend","title":"open62541 use-after-free in history backend","severity":"medium","exploited":false,"published_at":"2026-08-31T07:17:46.747+00:00","url":"https://junglewise.ai/threats/cve-2026-82623-open62541-use-after-free-in-history-backend"},{"cve":"CVE-2026-67862","cvss":7.5,"epss":0.0058,"slug":"cve-2026-67862-open62541-heap-buffer-overflow-in-high-level-attribute-reading","title":"open62541 heap-buffer-overflow in high-level attribute reading","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.597+00:00","url":"https://junglewise.ai/threats/cve-2026-67862-open62541-heap-buffer-overflow-in-high-level-attribute-reading"},{"cve":"CVE-2026-67861","cvss":7.5,"epss":0.0075,"slug":"cve-2026-67861-open62541-stack-overflow-in-ua-client-getremotedatatypes","title":"open62541 stack overflow in UA_Client_getRemoteDataTypes","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.46+00:00","url":"https://junglewise.ai/threats/cve-2026-67861-open62541-stack-overflow-in-ua-client-getremotedatatypes"},{"cve":"CVE-2026-67860","cvss":7.5,"epss":0.0046,"slug":"cve-2026-67860-open62541-heap-buffer-overflow-in-historyread-continuation-point","title":"open62541 heap buffer overflow in HistoryRead continuation point handling","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.357+00:00","url":"https://junglewise.ai/threats/cve-2026-67860-open62541-heap-buffer-overflow-in-historyread-continuation-point"},{"cve":"CVE-2026-67859","cvss":7.5,"epss":0.0082,"slug":"cve-2026-67859-open62541-buffer-overflow-in-discovery-lds-handling","title":"open62541 buffer overflow in Discovery/LDS handling","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.223+00:00","url":"https://junglewise.ai/threats/cve-2026-67859-open62541-buffer-overflow-in-discovery-lds-handling"},{"cve":"CVE-2026-67858","cvss":7.5,"epss":0.0086,"slug":"cve-2026-67858-open62541-buffer-overflow-in-local-discovery-server-multicast","title":"open62541 buffer overflow in Local Discovery Server multicast discovery","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.087+00:00","url":"https://junglewise.ai/threats/cve-2026-67858-open62541-buffer-overflow-in-local-discovery-server-multicast"},{"cve":"CVE-2026-67857","cvss":7.5,"epss":0.0063,"slug":"cve-2026-67857-open62541-out-of-bounds-read-in-responsereadnamespacesarray","title":"open62541 out-of-bounds read in responseReadNamespacesArray","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.957+00:00","url":"https://junglewise.ai/threats/cve-2026-67857-open62541-out-of-bounds-read-in-responsereadnamespacesarray"},{"cve":"CVE-2026-67856","cvss":7.5,"epss":0.0076,"slug":"cve-2026-67856-open62541-denial-of-service-via-subscription-requests","title":"open62541 denial of service via subscription requests","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.85+00:00","url":"https://junglewise.ai/threats/cve-2026-67856-open62541-denial-of-service-via-subscription-requests"},{"cve":"CVE-2026-67855","cvss":7.5,"epss":0.0051,"slug":"cve-2026-67855-open62541-heap-use-after-free-in-gds-pushmanagement-certificate","title":"open62541 heap use-after-free in GDS PushManagement certificate update","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.733+00:00","url":"https://junglewise.ai/threats/cve-2026-67855-open62541-heap-use-after-free-in-gds-pushmanagement-certificate"},{"cve":"CVE-2026-18785","cvss":5.3,"epss":0.0016,"slug":"cve-2026-18785-open62541-client-stack-overflow-in-ua-client-getremotedatatypes","title":"open62541 client stack overflow in UA_Client_getRemoteDataTypes","severity":"medium","exploited":false,"published_at":"2026-08-04T17:16:48.65+00:00","url":"https://junglewise.ai/threats/cve-2026-18785-open62541-client-stack-overflow-in-ua-client-getremotedatatypes"},{"cve":"CVE-2026-18784","cvss":5.3,"epss":0.0017,"slug":"cve-2026-18784-open62541-heap-buffer-overflow-in-ua-client","title":"open62541 heap buffer overflow in UA_Client_readNodeClassAttribute","severity":"medium","exploited":false,"published_at":"2026-08-04T17:16:48.473+00:00","url":"https://junglewise.ai/threats/cve-2026-18784-open62541-heap-buffer-overflow-in-ua-client"},{"cve":"CVE-2026-15690","cvss":3.1,"slug":"cve-2026-15690-open62541-null-pointer-dereference-in-responsereadnamespacesarray","title":"open62541 null pointer dereference in responseReadNamespacesArray","severity":"low","exploited":false,"published_at":"2026-07-14T12:16:55.947+00:00","url":"https://junglewise.ai/threats/cve-2026-15690-open62541-null-pointer-dereference-in-responsereadnamespacesarray"}],"vendor":{"hub":true,"name":"Open62541","slug":"open62541","description":"Open-source implementation of the OPC UA protocol for industrial IoT communication.","url":"https://junglewise.ai/threats/vendors/open62541"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-116014","cvss":8.1,"slug":"cve-2026-116014-open62541-1-5-0-before-1-5-7-contains-an-integer-overflow-in-ua","title":"open62541 integer overflow in UA_DataType_fromStructureDescription()","severity":"high","exploited":false,"published_at":"2026-10-24T12:16:57.607+00:00","url":"https://junglewise.ai/threats/cve-2026-116014-open62541-1-5-0-before-1-5-7-contains-an-integer-overflow-in-ua"},{"cve":"CVE-2026-67858","cvss":7.5,"epss":0.0086,"slug":"cve-2026-67858-open62541-buffer-overflow-in-local-discovery-server-multicast","title":"open62541 buffer overflow in Local Discovery Server multicast discovery","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.087+00:00","url":"https://junglewise.ai/threats/cve-2026-67858-open62541-buffer-overflow-in-local-discovery-server-multicast"},{"cve":"CVE-2026-67859","cvss":7.5,"epss":0.0082,"slug":"cve-2026-67859-open62541-buffer-overflow-in-discovery-lds-handling","title":"open62541 buffer overflow in Discovery/LDS handling","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.223+00:00","url":"https://junglewise.ai/threats/cve-2026-67859-open62541-buffer-overflow-in-discovery-lds-handling"},{"cve":"CVE-2026-67856","cvss":7.5,"epss":0.0076,"slug":"cve-2026-67856-open62541-denial-of-service-via-subscription-requests","title":"open62541 denial of service via subscription requests","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.85+00:00","url":"https://junglewise.ai/threats/cve-2026-67856-open62541-denial-of-service-via-subscription-requests"},{"cve":"CVE-2026-67861","cvss":7.5,"epss":0.0075,"slug":"cve-2026-67861-open62541-stack-overflow-in-ua-client-getremotedatatypes","title":"open62541 stack overflow in UA_Client_getRemoteDataTypes","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.46+00:00","url":"https://junglewise.ai/threats/cve-2026-67861-open62541-stack-overflow-in-ua-client-getremotedatatypes"},{"cve":"CVE-2026-67857","cvss":7.5,"epss":0.0063,"slug":"cve-2026-67857-open62541-out-of-bounds-read-in-responsereadnamespacesarray","title":"open62541 out-of-bounds read in responseReadNamespacesArray","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.957+00:00","url":"https://junglewise.ai/threats/cve-2026-67857-open62541-out-of-bounds-read-in-responsereadnamespacesarray"},{"cve":"CVE-2026-67862","cvss":7.5,"epss":0.0058,"slug":"cve-2026-67862-open62541-heap-buffer-overflow-in-high-level-attribute-reading","title":"open62541 heap-buffer-overflow in high-level attribute reading","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.597+00:00","url":"https://junglewise.ai/threats/cve-2026-67862-open62541-heap-buffer-overflow-in-high-level-attribute-reading"},{"cve":"CVE-2026-67855","cvss":7.5,"epss":0.0051,"slug":"cve-2026-67855-open62541-heap-use-after-free-in-gds-pushmanagement-certificate","title":"open62541 heap use-after-free in GDS PushManagement certificate update","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:15.733+00:00","url":"https://junglewise.ai/threats/cve-2026-67855-open62541-heap-use-after-free-in-gds-pushmanagement-certificate"},{"cve":"CVE-2026-67860","cvss":7.5,"epss":0.0046,"slug":"cve-2026-67860-open62541-heap-buffer-overflow-in-historyread-continuation-point","title":"open62541 heap buffer overflow in HistoryRead continuation point handling","severity":"high","exploited":false,"published_at":"2026-08-04T22:17:16.357+00:00","url":"https://junglewise.ai/threats/cve-2026-67860-open62541-heap-buffer-overflow-in-historyread-continuation-point"},{"cve":"CVE-2026-82623","cvss":5.3,"epss":0.007,"slug":"cve-2026-82623-open62541-use-after-free-in-history-backend","title":"open62541 use-after-free in history backend","severity":"medium","exploited":false,"published_at":"2026-08-31T07:17:46.747+00:00","url":"https://junglewise.ai/threats/cve-2026-82623-open62541-use-after-free-in-history-backend"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[]}