CVE-2026-67870
CRITICAL
9,8
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0027
Percentile
0,2th
Updated
Single Data Point
Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.
476
NULL Pointer Dereference
StableCommon Consequences
Security Scopes Affected:
Availability
Integrity
Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart
Execute Unauthorized Code Or Commands
Read Memory
Modify Memory
Applicable Platforms
Languages:
C, C++, Java, C#, Go
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/server/ua_services_nodem…
https://github.com/open62541/open62541/blob/v1.5.5/src/ua_types.c
https://github.com/open62541/open62541/issues/8172