CVE-2026-67870
CVE-2026-67870
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.8 · Critical · EPSS 1.1%
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
open62541 Debian:13
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Debian:14
- Versions
- 1.4.11.1-1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.10
- Versions
- 1.4.11.1-1build1
- 1.4.18-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
open62541 Ubuntu:26.04:LTS
- Versions
- 1.4.11.1-1
- 1.4.11.1-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c
- https://github.com/open62541/open62541/issues/8172
- https://github.com/open62541/open62541/blob/v1.5.5/include/open62541/types.h
- https://github.com/open62541/open62541/blob/v1.5.5/src/ua_types.c
- https://nvd.nist.gov/vuln/detail/CVE-2026-67870