CVE-2026-118697：JetBrains Toolbox 與 IntelliJ IDEA 不當證書驗證漏洞
CVE-2026-118697 - JetBrains Toolbox and IntelliJ IDEA Improper Certificate Validation Vulnerability
CVE-2026-118697 是 JetBrains Toolbox App 3.9.1 之前及 IntelliJ IDEA 2026.3 之前的證書驗證缺陷，可能允許攻擊者使用被竄改的中介憑證。
此漏洞影響 JetBrains 主要開發工具，建議立即升級以防止被利用，避免潛在的遠端執行風險；若無法及時更新，可暫時停用 jetbrainsd 程序以降低風險，或使用官方補丁列表確認受影響版本。
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
Impact
Affected Products
The following products are affected by CVE-2026-118697
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
| ID | Vendor | Product | Action |
|---|---|---|---|
| 1 | Jetbrains | intellij_idea | |
| 2 | Jetbrains | toolbox |
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 547ada31-17d8-4964-bc5f-1b8238ba8014 | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Update JetBrains products to patch certificate trust issues.
- Update JetBrains Toolbox App to version 3.9.1 or later.
- Update IntelliJ IDEA to version 2026.3 or 2026.2.4 or later.
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-118697.
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-118697 is
associated with the following CWEs:
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.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-118697 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-118697 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
十月. 30, 2026
Action Type Old Value New Value Added Description 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 Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-295 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/118xxx/CVE-2026-118697.json">CVE-2026-118697</a> Added Reference https://blog.jetbrains.com/security/2026/10/compromised-emudhra-certificates-ides/ Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=2083449 Added Reference https://emudhra.com/en/post/certificate-security-incident Added Reference https://www.jetbrains.com/privacy-security/issues-fixed/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.