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CVE-2026-118697

Improper certificate validation in JetBrains Toolbox App

CVSS score

9.0

EPSS probability

—

Risk score

0.9

Published

1 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-118697: Improper Certificate Validation Vulnerability in JetBrains Products

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A critical improper certificate validation vulnerability exists in JetBrains Toolbox App and IntelliJ IDEA because the jetbrainsd daemon trusted compromised intermediate certificates.

Why does it matter?

This vulnerability carries high-impact security risks that can allow attackers to compromise critical system components.

What should be done?

  • Follow vendor advisories
  • Review relevant JetBrains security bulletins
Chain of evidence and sources2 verified claims

JetBrains Toolbox App ve IntelliJ IDEA ürünlerinde jetbrainsd daemon bileşeni ele geçirilmiş ara sertifikalara güvenmektedir.

S0 · daybreach-canonicalS1 · cvelist

Zafiyet için yama durumu belirsizliğini korumaktadır ve kaynaklar kesin bir yama sürümü bildirmemektedir.

S0 · daybreach-canonical
Show the technical text from the sources

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

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

CWE: CWE-295

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-118697 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1jetbrainsToolbox App View
2jetbrainsintellij idea View
Total affected vendors: 1|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
9.0CVSS V31CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HNVD
9.0CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

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Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-118697 is associated with the following CWEs:

CWE-295: Common Weakness Enumeration Entry CWE-295

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-118697 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

9.0 / 10
Attack VectorNetworkComplexityHighPrivilegesNoneUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

J
jetbrains logo
jetbrains

Weakness Type (CWE & CAPEC)

CWE-295

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