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CVE-2026-63035: open62541 1.3.0 through 1.3.17, 1.4.0 through 1.4.16, 1.5.0 through 1.5.4, master
CVE-2026-63035. CVSS 3.1 base score 8.1 (HIGH, Vendor/CNA). EPSS 0.00755 (percentile 0.54622), scored 22-Oct-2026.
Affected technology
open62541 · 1.3.0 through 1.3.17, 1.4.0 through 1.4.16, 1.5.0 through 1.5.4, master
o6 Automation
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
The source says a heap use-after-free vulnerability in the TransferSubscriptions service in open62541 may allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code. Vendor/CNA’s CVSS 4.0 assessment (base score 7.2/10) rates confidentiality impact as none; integrity and availability impact as high.
- CWE
- CWE-416
- CCR priority
- 32.6 /100 (P4)
- CVSS 3.1
- 8.1 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H · Vendor/CNA
- EPSS
- 0.00755 · percentile 0.54622 · 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-2026-63035.html