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CVE-2026-100253

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.

在 JetBrains TeamCity 2026.2、2026.1.4 和 2025.11.8 之前的版本中，攻击者可通过带版本的设置 Kotlin DSL（Kotlin Domain Specific Language）实现沙箱逃逸，进而执行任意代码。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains TeamCity < 2026.2, 2026.1.4, 2025.11.8 affected
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I. Basic Information for CVE-2026-100253

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 sandbox escape leading to code execution was possible via the versioned settings Kotlin DSL
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
不完整的黑名单
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains TeamCity 0 ~ 2026.2, 2026.1.4, 2025.11.8 -

II. Public POCs for CVE-2026-100253

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III. Intelligence Information for CVE-2026-100253

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Vendor Pages for CVE-2026-100253 (1)

Same Patch Batch · JetBrains · 2026-09-30 · 28 CVEs total

CVE-2026-100277 8.9 HIGH JetBrains YouTrack 2026.2前账户接管漏洞
CVE-2026-100254 8.8 HIGH TeamCity多版本Git配置CRLF注入致命令执行
CVE-2026-100273 8.2 HIGH JetBrains YouTrack 2026.2前脚本调试器授权绕过
CVE-2026-100255 8.1 HIGH JetBrains TeamCity多版本管理员账户接管漏洞
CVE-2026-100256 7.8 HIGH IntelliJ IDEA 2026.2.3前结构搜索RCE漏洞
CVE-2026-100266 7.7 HIGH JetBrains Hub 2026.2前授权缺失致任意邮件
CVE-2026-100268 7.7 HIGH JetBrains YouTrack 2026.2前跨项目评论越权读取漏洞
CVE-2026-100262 7.6 HIGH JetBrains YouTrack越权覆盖通知模板漏洞
CVE-2026-100275 6.9 MEDIUM JetBrains YouTrack 2026.2前存储型XSS漏洞
CVE-2026-100274 6.5 MEDIUM JetBrains YouTrack 2026.2前通知模板DoS漏洞
CVE-2026-100279 6.5 MEDIUM JetBrains YouTrack 2026.2前集成URL凭据泄露
CVE-2026-100276 5.9 MEDIUM JetBrains YouTrack 2026.2前工作流越权漏洞
CVE-2026-100267 5.9 MEDIUM JetBrains YouTrack 2026.2前邮箱正则拒绝服务漏洞
CVE-2026-100261 5.4 MEDIUM JetBrains YouTrack 2026.2.18991前权限绕过漏洞
CVE-2026-100260 5.3 MEDIUM JetBrains YouTrack 2026.2前邮箱集成认证绕过漏洞
CVE-2026-100278 4.9 MEDIUM JetBrains YouTrack 2026.2前权限绕过漏洞
CVE-2026-100272 4.9 MEDIUM JetBrains YouTrack 2026.2前通知预览越权漏洞
CVE-2026-100265 4.8 MEDIUM JetBrains Rider 2026.2.1前AI助手技能自动更新漏洞
CVE-2026-100263 4.7 MEDIUM JetBrains YouTrack 2026.2前存储型HTML注入漏洞
CVE-2026-100259 4.3 MEDIUM JetBrains YouTrack 2026.2前甘特图访问控制不当

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: TeamCity
Same vendor: JetBrains
Same weakness: CWE-184

V. Comments for CVE-2026-100253

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