Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-86478

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.

JetBrains YouTrack是捷克JetBrains公司的一款项目管理软件。 JetBrains YouTrack 2025.3.161254之前版本和2026.1.14042之前版本存在授权问题漏洞，该漏洞源于YouTrack Helpdesk身份验证不当，可能允许未经身份验证的攻击者通过自声称的电子邮件地址接管账户。

CVSS 9.8 · Critical EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1040 · Network Sniffing

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains YouTrack < 2025.3.161254, 2026.1.14042 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-86478

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains YouTrack before 2025.3.161254, 2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
JetBrains YouTrack 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JetBrains YouTrack是捷克JetBrains公司的一款项目管理软件。 JetBrains YouTrack 2025.3.161254之前版本和2026.1.14042之前版本存在授权问题漏洞，该漏洞源于YouTrack Helpdesk身份验证不当，可能允许未经身份验证的攻击者通过自声称的电子邮件地址接管账户。
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 YouTrack 0 ~ 2025.3.161254, 2026.1.14042 -

II. Public POCs for CVE-2026-86478

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-86478

请登录查看更多情报信息。

Vendor Pages for CVE-2026-86478 (1)

Same Patch Batch · JetBrains · 2026-09-07 · 29 CVEs total

CVE-2026-86480 9.8 CRITICAL JetBrains Hub 授权问题漏洞
CVE-2026-86482 8.8 HIGH JetBrains YouTrack 权限许可和访问控制问题漏洞
CVE-2026-86492 8.5 HIGH JetBrains YouTrack 会话机制问题漏洞
CVE-2026-86502 8.4 HIGH JetBrains IntelliJ IDEA 授权问题漏洞
CVE-2026-86479 8.0 HIGH JetBrains YouTrack 授权问题漏洞
CVE-2026-86504 7.8 HIGH JetBrains IntelliJ IDEA 软件供应链问题漏洞
CVE-2026-86498 7.7 HIGH JetBrains YouTrack 授权问题漏洞
CVE-2026-86494 7.7 HIGH JetBrains YouTrack 授权问题漏洞
CVE-2026-86497 6.8 MEDIUM JetBrains YouTrack 信息泄露漏洞
CVE-2026-86490 6.5 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86488 6.5 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86495 6.5 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86493 6.5 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86489 6.5 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86506 5.9 MEDIUM JetBrains GoLand 授权问题漏洞
CVE-2026-86500 5.5 MEDIUM JetBrains YouTrack 权限许可和访问控制问题漏洞
CVE-2026-86483 5.4 MEDIUM JetBrains YouTrack 跨站脚本漏洞
CVE-2026-86484 4.6 MEDIUM JetBrains YouTrack 跨站脚本漏洞
CVE-2026-86496 4.3 MEDIUM JetBrains YouTrack 授权问题漏洞
CVE-2026-86481 4.3 MEDIUM JetBrains YouTrack 授权问题漏洞

Showing top 20 of 29 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: YouTrack
Same vendor: JetBrains
Same weakness: CWE-290

V. Comments for CVE-2026-86478

No comments yet

Leave a comment