---
title: "CVE-2026-118697: JetBrains Toolbox App & IntelliJ IDEA - Trust Bypass"
description: "JetBrains Toolbox App < 3.9.1 and 3.8.2, IntelliJ IDEA < 2026.3 and 2026.2.4 contain a trust bypass caused by jetbrainsd daemon trusting compromised intermediate certificates, letting attackers bypass certificate validation, exploit requires attacker to present compromised intermediate certificates."
url: https://panop.io/threat-heartbeat/CVE-2026-118697/
---

# CVE-2026-118697 JetBrains Toolbox App & IntelliJ IDEA - Trust Bypass

JetBrains Toolbox App < 3.9.1 and 3.8.2, IntelliJ IDEA < 2026.3 and 2026.2.4 contain a trust bypass caused by jetbrainsd daemon trusting compromised intermediate certificates, letting attackers bypass certificate validation, exploit requires attacker to present compromised intermediate certificates.

CVSS base score 9.0 /10

Critical

CISA KEV

Not listed

Public exploit

None known

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-118697)

## Details

Type

Trust Bypass

Impact

Man In The Middle

CVSS vector

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

Published

30 October 2026

Updated

1 November 2026

Weakness

[CWE-295](https://cwe.mitre.org/data/definitions/295.html)

## Vendor fix

Update to JetBrains Toolbox App 3.9.1 or later and IntelliJ IDEA 2026.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-118697](https://nvd.nist.gov/vuln/detail/CVE-2026-118697)
- [https://blog.jetbrains.com/security/2026/10/compromised-emudhra-certificates-ides/](https://blog.jetbrains.com/security/2026/10/compromised-emudhra-certificates-ides/)
- [https://bugzilla.mozilla.org/show\_bug.cgi?id=2083449](https://bugzilla.mozilla.org/show_bug.cgi?id=2083449)
- [https://emudhra.com/en/post/certificate-security-incident](https://emudhra.com/en/post/certificate-security-incident)
- [https://www.jetbrains.com/privacy-security/issues-fixed/](https://www.jetbrains.com/privacy-security/issues-fixed/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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