CVE-2026-118697 PUBLISHED

Assigner: JetBrains
Reserved: 28.10.2026 Published: 30.10.2026 Updated: 31.10.2026

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	JetBrains
Product	Toolbox App
Versions	Default: unaffected affected from 3.9.0 to 3.9.1 (excl.) affected from 0 to 3.8.2 (excl.)

Vendor	JetBrains
Product	IntelliJ IDEA
Versions	Default: unaffected affected from 0 to 2026.2.4 (excl.)

References

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

Problem Types

CWE-295: Improper Certificate Validation CWE