CVE-2026-6899 — Improper Check for Certificate Revocation in S2OPC
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. I…
Published: 2026-06-09 · CVSS: 5.6 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7