CVE-2026-89102: OCSP stapling v2 multi accepts non-CA chain certificates as issuers

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-01

EPSS Score

0.25% (percentile: 14.7%)

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-10-01: Information published.