CVE-2026-18257

—

CVSS 3.1

5.6 medium

EPSS

<1%p1

Published

Jul 29, 2026 (Jul 29, 2026)

Modified

Jul 30, 2026

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

Weakness: CWE-295
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news0 stories

No ingested article mentions this CVE yet.