CVE-2026-10592 — Wildcard DNS SAN bypasses CA name-constraint checks
Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's pe…
Published: 2026-06-25 · CVSS: 6.3 · CVSS 4.0
Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's permitted/excluded DNS name constraints could be accepted.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7