PT-2026-65843 · Systerel · S2Opc

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CVE-2026-18257

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Published

2026-07-29

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Updated

2026-07-29

CVSS v3.1

5.6

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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

Fix

Improper Certificate Validation

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Weakness Enumeration

Related Identifiers

CVE-2026-18257

Affected Products

S2Opc