CVE-2026-67868
critical · 9.8A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling during CreateMonitoredItems processing. This allows a remote attacker to execute arbitrary code.
9.8
CVSS
1.1%
EPSS (exploit prob.)
64th
EPSS percentile
2026-08-17
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122
References
- https://github.com/gff-cw/information/issues/16
- https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/src/ClientServer/services/b2c/monitored_item_event_filter_treatment_bs.c
- https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/src/ClientServer/services/b2c/monitored_item_event_filter_where_clause_bs.c
- https://github.com/systerel/S2OPC/tree/S2OPC_Toolkit_1.7.3/samples/ClientServer/demo_server_alarms
- https://gitlab.com/systerel/S2OPC/-/work_items/1779
- https://github.com/gff-cw/information/issues/16
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-67868