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Low 3.3Published Aug 4, 2026

CVE-2026-18790Systerel S2OPC DeleteMonitoredItemsRequest state_machine.c out-of-bounds

Updated under an hour ago ()

Does this affect you?

It affects Systerel S2OPC. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Weakness (CWE)
CWE-125, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Aug 4, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Systerel S2OPC
systerel:s2opc
1.7.0; 1.7.1; 1.7.2; 1.7.3
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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