CVE-2026-123848: Security vulnerability
Published Nov 6, 2026
·Updated
In JetBrains IntelliJ IDEA before 2026.3 host name verification was missing for server TLS certificates
Event History
Nov 6, 2026
CVE Published
via MITRE·04:10 PM
Data Sourced
via MITRE·04:10 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Which IntelliJ IDEA versions are affected?
IntelliJ IDEA versions before 2026.3 are affected. Upgrading to 2026.3 or later addresses the issue.