CRITICALVulnerability
CVE-2026-67870
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.
Properties
- severity
- CRITICAL
- score
- 9.8
- cve_id
- CVE-2026-67870
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-06T00:16:54.043
- last_modified
- 2026-08-31T19:33:11.197
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]NULL Pointer Dereference
Explore deeper with Ninja Signal's threat intelligence graph