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CVE-2026-103488

Quick assessment

Affected
JetBrains YouTrack
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 YouTrack 2026.2.19422 之前的版本中，由于存在授权缺失漏洞，已认证用户可以将自己添加到项目团队中，从而访问受限的问题（issues）。

CVSS 7.1 · High
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I. Basic Information for CVE-2026-103488

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains YouTrack 0 ~ 2026.2.19422 -

II. Public POCs for CVE-2026-103488

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III. Intelligence Information for CVE-2026-103488

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Vendor Pages for CVE-2026-103488 (1)

Same Patch Batch · JetBrains · 2026-10-01 · 10 CVEs total

CVE-2026-103493 8.1 HIGH JetBrains YouTrack 2026.2前存储型XSS漏洞
CVE-2026-103490 7.2 HIGH JetBrains YouTrack 2026.2.19422前权限提升漏洞
CVE-2026-103494 6.6 MEDIUM JetBrains YouTrack 2026.2.19422前权限提升漏洞
CVE-2026-103491 6.5 MEDIUM JetBrains YouTrack 2026.2前iDOR漏洞
CVE-2026-103492 6.5 MEDIUM JetBrains YouTrack 2026.2前PSD附件DoS漏洞
CVE-2026-103497 5.5 MEDIUM JetBrains YouTrack 2026.2前GitHub集成SSRF漏洞
CVE-2026-103496 5.4 MEDIUM JetBrains YouTrack 2026.2前收件箱IDOR漏洞
CVE-2026-103495 4.3 MEDIUM JetBrains YouTrack 2026.2前翻译重载越权漏洞
CVE-2026-103489 2.0 LOW JetBrains YouTrack 2026.2前VCS通知HTML注入漏洞

IV. Related Vulnerabilities

Same product: YouTrack
Same vendor: JetBrains
Same weakness: CWE-863

V. Comments for CVE-2026-103488

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