CVE-2026-67869

HIGH

CVE: CVE-2026-67869 - Buffer Overflow vulnerability in open62541 v1Sign in to save

CVSS

7.5

CVSS v3.1

EPSS

0.5%

Exploit Prediction Score

Published

August 6, 2026

Exploitability

EPSS probability 0.5%

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

Weaknesses

CWE-120

Affected Packages

No package data available.

Aliases

CVE-2026-67869

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/open62541/open62541/blob/v1.5.5/examples/tutorial_server_alarms_conditions.c
https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_method.c
https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_subscription_alarms_conditions.c
https://github.com/open62541/open62541/issues/8171