๐Ÿ” CVE Alert

CVE-2026-9758

HIGH 7.3

Improper Certificate Validation in S2OPC

CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th

Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted

CWE CWE-295
Vendor systerel
Product s2opc
Published Jun 10, 2026
Last Updated Jun 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Affected Versions

Systerel / S2OPC
1.5.0 < 1.7.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
gitlab.com: https://gitlab.com/systerel/S2OPC/-/work_items/1770

Credits

Systerel