PT-2026-58008 · Undefined · Undefined

Chuan Wei + 1 · Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-15690

Mitre

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

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.

Exploit

Fix

NULL Pointer Dereference

Improper Resource Release

Weakness Enumeration

CWE-476

CWE-404

Related Identifiers

CVE-2026-15690

Affected Products

Undefined

References · 7

• 🔥 https://github.com/open62541/open62541/issues/8104 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-15690 · Security Note
• https://github.com/open62541/open62541 · Note
• https://vuldb.com/cve/CVE-2026-15690 · Note
• https://vuldb.com/vuln/378237/cti · Note
• https://vuldb.com/vuln/378237 · Note
• https://vuldb.com/submit/855996 · Note