CVE-2026-67866
Last modified
CVE-2026-67866 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path.
Description
Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| — | — | n/a |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-67866?
How severe is CVE-2026-67866?
How do I fix CVE-2026-67866?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-67860open62541 1.5.5 contains a heap-based buffer overflow in the…7.5
- CVE-2026-67861An issue in open62541 v.1.5.5 and before allows a remote att…7.5
- CVE-2026-67862open62541 1.5.5 contains a buffer-overflow in the high-level…7.5
- CVE-2026-67863In open62541 1.5.5, a server-side use-after-free exists in t…7.5
- CVE-2026-67864An issue in open62541 v.1.5.5 and before allows a remote att…7.5
- CVE-2026-67865S2OPC 1.7.3 contains an out-of-bounds read in RepublishRespo…7.5
- CVE-2026-67867Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows…7.5
- CVE-2026-67869Buffer Overflow vulnerability in open62541 v1.5.5 allows a r…7.5
- CVE-2026-6787Use of Hard-coded Cryptographic Key vulnerability in WatchGu…7.8
- CVE-2026-67870In open62541 v1.5.5, the server-side AddReferences implement…9.8
- CVE-2026-67871Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows…7.5
- CVE-2026-67872An issue in Systerel S2OPC 1.7.3 allows a remote attacker to…7.5
Are you affected by CVE-2026-67866?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
