Vulnerability Description
A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse of the file src/ClientServer/frontend/client_wrapper/internal/state_machine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/gff-cw/information/issues/13
- https://github.com/user-attachments/files/28907371/poc.zip
- https://vuldb.com/cve/CVE-2026-18790
- https://vuldb.com/submit/857761
- https://vuldb.com/vuln/385790
- https://vuldb.com/vuln/385790/cti
FAQ
What is CVE-2026-18790?
CVE-2026-18790 is a vulnerability with a CVSS score of 3.3 (LOW). A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse of the file src/ClientServer/frontend/client_wrapper/intern...
How severe is CVE-2026-18790?
CVE-2026-18790 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-18790?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.