CVE-2026-32281

HIGH EPSS 26.8%
Published Apr 8, 20262mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 8, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service. 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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
26.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-295

Affected Products 2

VendorProductVersionRange
golanggo* <1.25.9
golanggo*≥1.26.0  –  <1.26.2

References 4

  • go.dev https://go.dev/cl/758061
    Patch
  • go.dev https://go.dev/issue/78281
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
    Issue TrackingRelease Notes
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2026-4946
    Vendor Advisory

Remediation

  • go.dev https://go.dev/cl/758061
    Patch