CVE-2026-18257

MEDIUM CVSS 5.6 View on NVD ↗

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

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

Published: Jul 29, 2026 17:16 UTC Modified: Jul 30, 2026 14:15 UTC