High severity7.5NVD Advisory· Published Aug 5, 2026· Updated Aug 31, 2026

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Open62541/Open62541llm-fuzzy
Range: <=1.5.5

Patches

Vulnerability mechanics

References

github.com/open62541/open62541/blob/v1.5.5/examples/ci_server.cnvd
github.com/open62541/open62541/blob/v1.5.5/plugins/ua_accesscontrol_default.cnvd
github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.cnvd
github.com/open62541/open62541/issues/8133nvd

News mentions

Open62541: 14 Critical and High-Severity Vulnerabilities Disclosed Together
Vypr Intelligence · Aug 6, 2026

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000