{"id":"CVE-2026-67868","aliases":["EUVD-2026-60552","GHSA-jrr4-6mjm-2xj8"],"status":"published","title":"A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter...","description":"A 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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.01063,"percentile":0.64931,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-08-17T00:00:00Z","modified":"2026-09-09T16:04:24Z","references":[{"url":"https://github.com/gff-cw/information/issues/16","tags":["exploit"]},{"url":"https://github.com/systerel/S2OPC/tree/S2OPC_Toolkit_1.7.3/samples/ClientServer/demo_server_alarms"},{"url":"https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/src/ClientServer/services/b2c/monitored_item_event_filter_where_clause_bs.c"},{"url":"https://github.com/systerel/S2OPC/blob/b4c5c7d63cd69698461d514b905a7c92b3c377c4/src/ClientServer/services/b2c/monitored_item_event_filter_treatment_bs.c"},{"url":"https://gitlab.com/systerel/S2OPC/-/work_items/1779"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67868"},{"url":"https://github.com/advisories/GHSA-jrr4-6mjm-2xj8"}],"sources":{"cve":[{"id":"CVE-2026-67868","description":"A 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.","status":"published","published":"2026-08-17T00:00:00Z","modified":"2026-08-18T15:42:24.474Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-60552","description":"A 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.","status":"published","published":"2026-08-17T00:00:00Z","modified":"2026-08-18T15:42:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:46.405062Z"}],"ghsa":[{"id":"GHSA-jrr4-6mjm-2xj8","title":"A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter...","description":"A 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.","status":"published","published":"2026-08-18T00:30:35Z","modified":"2026-08-18T18:32:57Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:10:37.069016Z"}],"nvd":[{"id":"CVE-2026-67868","description":"A 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.","status":"published","published":"2026-08-17T22:17:25.79Z","modified":"2026-09-09T16:04:24.933Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:38.647684Z"}]}}