CVEvulnerability
CVE-2026-67870
9.8 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-08-06
- Last modified
- 2026-08-31
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-476
Description
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node pointer to remain NULL while execution continues.
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/open62541/open62541/blob/v1.5.5/include/open62541/types.h github.com
- https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c github.com
- https://github.com/open62541/open62541/blob/v1.5.5/src/ua_types.c github.com
- https://github.com/open62541/open62541/issues/8172 github.com
- https://github.com/open62541/open62541/issues/8172 github.com