systerel/S2OPC

systerel/S2OPC

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GitLabgitlab.com
Releases58
Frequency1 month 4 weeks
Last Release
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Open-source Safe and Secure OPC UA Toolkit designed with embedded devices in mind ([More information](https://www.s2opc.com) /[Plus d'informations](https://www.s2opc.com)). Documentation: [see Wiki](https://gitlab.com/systerel/S2OPC/-/wikis/home).
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2026-9758↗
7.3 HIGH—

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

CVE-2026-6899↗
5.6 MEDIUM—

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.