CVE-2026-27138

MEDIUM EPSS 26.9%
Published Mar 6, 20263mo ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Medium
Find Similar
Published Mar 6, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.9
Exploitability
2.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
26.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-295

Affected Products 1

VendorProductVersionRange
golanggo1.26.0any

References 4

  • go.dev https://go.dev/cl/752183
    Mailing List
  • go.dev https://go.dev/issue/77953
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk
    Release Notes
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2026-4600
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.