CVE-2026-18257
Medium · 5.6CVSS
5.6
EPSS
0.2%
Published
Jul 29, 2026
CISA due date
—
The record
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
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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