CVE-2026-63035
o6 Automation open62541 Use After Free
HIGH
8.1
CVSS Score
Published: July 30, 2026 at 09:56 PM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorOpen62541
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Severity
HIGH8.1
Exploit prediction
EPSS 0.8%
SSVC
No known exploit
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (7)
Source: cverecord
https://www.o6-automation.com/contactSource: cverecord
https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-08SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.1HIGHicscert
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-416
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