VulnerabilityDeferred
CVE-2026-67864
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
HIGH 7.5EPSS 0.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.