CVE-2026-18790
Systerel S2OPC DeleteMonitoredItemsRequest state_machine.c out-of-bounds
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 CWE-119 |
| Vendor | systerel |
| Product | s2opc |
| Published | Aug 4, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Systerel / S2OPC
1.7.0 1.7.1 1.7.2 1.7.3
References
vuldb.com: https://vuldb.com/vuln/385790 vuldb.com: https://vuldb.com/vuln/385790/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18790 vuldb.com: https://vuldb.com/submit/857761 github.com: https://github.com/gff-cw/information/issues/13 github.com: https://github.com/user-attachments/files/28907371/poc.zip
Credits
🔍 VULL (VulDB User) VulDB CNA Team