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P4
CVE-2026-18784: open62541 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5
CVE-2026-18784. CVSS 3.1 base score 5.3 (MEDIUM, Vendor/CNA). EPSS 0.00172 (percentile 0.06218), scored 22-Oct-2026.
Affected technology
open62541 · 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5
o6
Description’s affected range: up to 1.5.5
Component: Not specified by the source
Function: UA_Client_readNodeClassAttribute
File: src/client/ua_client_highlevel.c
Attack conditions (VulDB, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
VulDB’s CVSS 4.0 assessment (base score 1.9/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-119, CWE-122
- CCR priority
- 21.2 /100 (P4)
- CVSS 3.1
- 5.3 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
- EPSS
- 0.00172 · percentile 0.06218 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-18784.html