Open62541 — Vulnerabilities & Security Advisories 11

All 11 CVE vulnerabilities found in Open62541, with AI-generated Chinese analysis, references, and POCs.

CVE ID	Title	CVSS	Severity	Published
CVE-2026-82623	open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free CWE-416	5.3	Medium	2026-08-31
CVE-2026-18785	o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free CWE-416	5.3	Medium	2026-08-04
CVE-2026-18784	o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow CWE-122	5.3	Medium	2026-08-04
CVE-2026-63362	o6 Automation open62541 Integer Underflow CWE-191	5.9	Medium	2026-07-30
CVE-2026-65423	o6 Automation open62541 Integer Overflow or Wraparound CWE-190	8.8	High	2026-07-30
CVE-2026-63035	o6 Automation open62541 Use After Free CWE-416	8.1	High	2026-07-30
CVE-2026-63559	o6 Automation open62541 Integer Overflow or Wraparound CWE-190	7.5	High	2026-07-30
CVE-2026-15690	open62541 Shared Client ua_client_connect.c responseReadNamespacesArray null pointer dereference CWE-476	3.1	Low	2026-07-14
CVE-2026-11946	GetEndpoints Memory Exhaustion in open62541 CWE-770	7.5	High	2026-07-02
CVE-2026-33592	FindServers Memory Exhaustion in open62541 CWE-770	7.5	High	2026-07-02
CVE-2026-1301	Out-of-bounds Write in o6 Automation GmbH Open62541 CWE-787	9.1^AI	Critical ^AI	2026-02-05

All 11 known CVE vulnerabilities affecting Open62541 with full Chinese analysis, references, and POCs where available.