PT-2026-67869 · Open62541 · Open62541

CVE-2026-67856

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Published

2026-08-04

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Updated

2026-08-05

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions open62541 versions prior to 1.5.6
Description A remote attacker can cause a denial of service by sending specially crafted requests to the following endpoints: 'CreateSubscription', 'CreateMonitoredItems(Sampling)', 'Publish', 'TransferSubscriptions', and 'DeleteSubscriptions'.
Recommendations Update to a version newer than 1.5.5.

Exploit

Fix

DoS

Resource Exhaustion

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Weakness Enumeration

Related Identifiers

CVE-2026-67856

Affected Products

Open62541