NetSight
IP …
high8.2

CVE-2026-33810

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different …

Impact

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.

Affected products

VendorProductAffected versions
GolangGo
from 1.26.0 before 1.26.2

Weakness classification

CWE-295CWE-1289

References