CVE-2026-27137
When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.
Published:Mar 6, 2026
Last Modified:Aug 31, 2026
EPS:Mar 6, 2026
EPSS Score:0.00606
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Go Standard Library
Product
Crypto Tls
Go Standard Library
Crypto Tls
Vendor
Golang
Product
Go
Golang
Go
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
