What’s Vulnerable › Vulnerabilities

CVE-2026-67864

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-05 · updated 2026-08-31
• Weakness: CWE-400

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

References

• https://github.com/open62541/open62541/blob/v1.5.5/examples/ci_server.c
• https://github.com/open62541/open62541/blob/v1.5.5/plugins/ua_accesscontrol_default.c
• https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c
• https://github.com/open62541/open62541/issues/8133
• https://github.com/open62541/open62541/issues/8133

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