What is CVE-2026-15690?

CVE-2026-15690 is a low-severity vulnerability in Open62541, classified under Improper Resource Shutdown or Release. CVSS score: 3.1/10. Published 2026-07-14.

How severe is CVE-2026-15690?

Low severity. CVSS v3 base score is 3.1 out of 10.

NULL pointer dereference in Open62541

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 argumen…

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

N/a Open62541 — versions 1.5.0, 1.5.1, 1.5.2

Weakness classification (CWE)

References

cna@vuldb.com (product)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-15690?: CVE-2026-15690 is a low-severity vulnerability in Open62541, classified under Improper Resource Shutdown or Release. CVSS score: 3.1/10. Published 2026-07-14.
How severe is CVE-2026-15690?: Low severity. CVSS v3 base score is 3.1 out of 10.