CVE-2026-67860

—

CVSS 3.1

7.5 high

EPSS

<1%p19

Published

Aug 4, 2026 (Aug 4, 2026)

Modified

Aug 31, 2026

Description

open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend.

Weakness: CWE-122
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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