Security advisory for In JetBrains Toolbox App

Advisory overview

In JetBrains Toolbox App before 3.9.1 and 3.8.2; IntelliJ IDEA before 2026.3 and 2026.2.4, the jetbrainsd daemon trusted compromised intermediate certificates

Related references

• https://blog.jetbrains.com/security/2026/10/compromised-emudhra-certificates-ides/
• https://bugzilla.mozilla.org/show_bug.cgi?id=2083449
• https://emudhra.com/en/post/certificate-security-incident
• https://www.jetbrains.com/privacy-security/issues-fixed/