The vulnerability exists due to an OCSP stapling bypass specifically when using the Apple SecTrust backend, which fails to correctly verify the status of a revoked certificate.
Source: Mitre, NVD
Published: 2026-04-30
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High