CVE-2026-18257

Improper Certificate Validation in S2OPC PUBLISHED

Description (CNA)

Improper validity period check for root issuer certificate in CycloneCrypto cryptographic wrapper of S2OPC allows a certificate issued by this root issuer to be considered trusted

Affected (CNA)

Vendor / product	Versions
Systerel / S2OPC	affected 1.5.0 before 2.0.0

CWE

CWE-295

References

https://gitlab.com/systerel/S2OPC/-/work_items/1804

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.