VDB
CISA-2026-27138
CISA-2026-27138
PUBLISHED
CVSS 5.9 MEDIUM
Reported by Go · Published March 6, 2026
Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS.
Risk Scores
CVSS 3.1
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Go standard library | crypto/x509 | 1.26.0-0 |
| Go standard library | crypto/x509 | 1.26.0-0, 1.26.0-0 |
Timeline
- Mar 6, 2026 CVE Published
- Mar 10, 2026 CVE Updated