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CVE-2026-59791

CVSS 3.5 · Low EPSS 0.14% · P3

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
JetBrainsYouTrack< 2026.2.17012affected
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I. Basic Information for CVE-2026-59791

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不当限制渲染UI层或帧
Source: CVE Program / CVE List V5
Vulnerability Title
JetBrains YouTrack 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JetBrains youtrack是捷克JetBrains公司的一个项目管理与追踪系统。 JetBrains YouTrack 2026.2.17012之前版本存在处理逻辑错误漏洞，该漏洞源于通过Mermaid图表渲染存在cSS注入。
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

VendorProductAffected VersionsCPESubscribe
JetBrainsYouTrack 0 ~ 2026.2.17012 -

II. Public POCs for CVE-2026-59791

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-59791

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Vendor Pages for CVE-2026-59791 (1)

Same Patch Batch · JetBrains · 2026-07-10 · 7 CVEs total

CVE-2026-597929.6 CRITICALJetBrains IntelliJ IDEA 路径遍历漏洞
CVE-2026-597938.8 HIGHJetBrains TeamCity 输入验证错误漏洞
CVE-2026-597968.1 HIGHJetBrains TeamCity 授权问题漏洞
CVE-2026-597958.1 HIGHJetBrains TeamCity 跨站脚本漏洞
CVE-2026-597947.3 HIGHJetBrains TeamCity 跨站脚本漏洞
CVE-2026-614923.5 LOWJetBrains YouTrack 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: YouTrack
Same vendor: JetBrains
Same weakness: CWE-1021

V. Comments for CVE-2026-59791

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