CVE-2026-6899

Published: Jun 9, 2026Modified: Jun 17, 2026Deferred

5.6

Vector

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

Exploitability: 2.2 / Impact: 3.4

Source: cve@gitlab.com (Secondary)

Description

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.

Related CWEs

CWE-299

Improper Check for Certificate Revocation

The product does not check or incorrectly checks the revocation status of a certificate, which may cause it to use a certificate that has been compromised.

References (1)

https://gitlab.com/systerel/S2OPC/-/work_items/1739

Source: cve@gitlab.com

Timeline

No history available yet.