Skip to content
CVE PROGRAM SOURCE RECORD5.6 Medium

CVE-2026-6899

Improper Check for Certificate Revocation in S2OPC

Description

Check for certificate revocation only considers the first matching CRL and ignores other valid CRLs of the same CA in the CycloneCrypto cryptographic wrapper of S2OPC library. It might allow connection between an OPC UA client and server using a revoked certificate.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Systerel S2OPC

Default version status: unaffected

  • 1.5.0 to < 1.7.3affected

References