Denial of Service Vulnerability in Systerel S2OPC by Systerel
CVE-2026-67872

7.5HIGH

Key Information:

Vendor

Systerel

Status
S2OPC
Vendor
CVE Published:
5 August 2026

What is CVE-2026-67872?

An issue within Systerel S2OPC version 1.7.3 permits a remote attacker to exploit the event monitored-item queue resize handling. This can lead to a denial of service, impacting the availability of affected services. The vulnerability can be triggered remotely, making it essential for users to review their implementation and security protocols to mitigate associated risks.

References

https://gitlab.com/systerel/S2OPC/-/work_items/1788
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7....
https://github.com/systerel/S2OPC/blob/S2OPC_Toolkit_1.7....

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

.