CVEvulnerability
CVE-2026-27138
5.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-295
Description
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.
Affected configurations
• golang go 1.26.0
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://go.dev/cl/752183 Mailing List
- https://go.dev/issue/77953 Issue Tracking
- https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk Release Notes
- https://pkg.go.dev/vuln/GO-2026-4600 Vendor Advisory