Heap Use-After-Free Vulnerability in open62541 GDS PushManagement by open62541
CVE-2026-67855

7.5HIGH

Key Information:

Vendor

open62541

Status
open62541
Vendor
CVE Published:
4 August 2026

What is CVE-2026-67855?

A vulnerability in open62541 allows a remote attacker to exploit a heap use-after-free condition in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This flaw could enable an attacker to manipulate the application's memory, potentially leading to a denial of service. Developers and users of open62541 should apply necessary patches to mitigate the risks associated with this vulnerability.

References

https://github.com/open62541/open62541
https://github.com/open62541/open62541/issues/8093
https://github.com/open62541/open62541/blob/master/src/se...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.