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CVE-2026-65906

Quick assessment

Affected
JetBrains TeamCity
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

JetBrains teamcity是捷克JetBrains公司的一款持续集成服务器。 JetBrains TeamCity 2026.1.2, 2025.11.6之前版本存在代码注入漏洞，该漏洞源于Kotlin DSL沙箱逃逸可能导致代码执行。

CVSS 8.8 · High EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains TeamCity < 2026.1.2, 2025.11.6 affected
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I. Basic Information for CVE-2026-65906

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
JetBrains TeamCity 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JetBrains teamcity是捷克JetBrains公司的一款持续集成服务器。 JetBrains TeamCity 2026.1.2, 2025.11.6之前版本存在代码注入漏洞，该漏洞源于Kotlin DSL沙箱逃逸可能导致代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains TeamCity 0 ~ 2026.1.2, 2025.11.6 -

II. Public POCs for CVE-2026-65906

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III. Intelligence Information for CVE-2026-65906

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Vendor Pages for CVE-2026-65906 (1)

Same Patch Batch · JetBrains · 2026-07-23 · 18 CVEs total

CVE-2026-64813 10.0 CRITICAL JetBrains IntelliJ IDEA 处理逻辑错误漏洞
CVE-2026-64812 10.0 CRITICAL JetBrains IntelliJ IDEA 授权问题漏洞
CVE-2026-65907 9.1 CRITICAL JetBrains TeamCity 代码注入漏洞
CVE-2026-65908 8.6 HIGH JetBrains PyCharm 软件供应链问题漏洞
CVE-2026-64814 8.6 HIGH JetBrains IntelliJ IDEA 授权问题漏洞
CVE-2026-64808 8.4 HIGH JetBrains PhpStorm 软件供应链问题漏洞
CVE-2026-64805 8.4 HIGH JetBrains WebStorm 软件供应链问题漏洞
CVE-2026-64804 8.4 HIGH JetBrains WebStorm 软件供应链问题漏洞
CVE-2026-64809 8.4 HIGH JetBrains PhpStorm 软件供应链问题漏洞
CVE-2026-64806 8.4 HIGH JetBrains WebStorm 软件供应链问题漏洞
CVE-2026-64815 8.1 HIGH JetBrains IntelliJ IDEA 代码注入漏洞
CVE-2026-64802 7.8 HIGH JetBrains GoLand 代码注入漏洞
CVE-2026-64811 7.8 HIGH JetBrains IntelliJ IDEA 软件供应链问题漏洞
CVE-2026-64803 7.8 HIGH JetBrains GoLand 代码注入漏洞
CVE-2026-64807 7.8 HIGH JetBrains WebStorm 软件供应链问题漏洞
CVE-2026-64810 4.3 MEDIUM JetBrains IntelliJ IDEA 跨站脚本漏洞
CVE-2026-64800 3.5 LOW JetBrains GoLand 日志信息泄露漏洞

IV. Related Vulnerabilities

Same product: TeamCity
Same vendor: JetBrains
Same weakness: CWE-94

V. Comments for CVE-2026-65906

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