CVE-2026-67869

High

Description

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata

SeverityHigh
CVSS7.5
Exploit probability—
ProductOpen62541
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-120CWE-120

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
open625411.5.5—

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CVE-2026-67869 · Open62541 · Dark Radar