CVE-2026-15690

A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/ua_client_connect.c of the component Shared Client Library. Such manipulation of the argument Server_NamespaceArray leads to null pointer dereference. The attack can be executed remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. The exploit is publicly available and might be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.

CVSS v3 3.1 LOW
CVSS v2.0 2.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:S/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open62541/open62541/
https://github.com/open62541/open62541/issues/8104
https://vuldb.com/cve/CVE-2026-15690
https://vuldb.com/submit/855996
https://vuldb.com/vuln/378237
https://vuldb.com/vuln/378237/cti

Configurations

No configuration.

History

14 Jul 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 12:16

Updated : 2026-07-14 15:26

NVD link : CVE-2026-15690

Mitre link : CVE-2026-15690

CVE.ORG link : CVE-2026-15690

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

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