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CVE-2026-9106— UI misrepresentation vulnerability in GitHub Enterprise Server allowed unauthorized organization runner management via undisclosed OAuth scope on consent screen

Quick assessment

Affected
GitHub Enterprise Server
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.

GitHub enterprise server是美国GitHub公司的一款一座企业级代码托管服务器。 GitHub Enterprise Server存在处理逻辑错误漏洞，该漏洞源于UI误表示问题，可能导致OAuth application通过授权同意屏幕未正确显示权限范围，从而无意中获得对组织runner管理的访问权限。以下版本受到影响：3.17.17之前版本、3.18.11之前版本、3.19.8之前版本、3.20.4之前版本和3.21.2之前版本。

AI Predicted 8.1 Difficulty: Easy EPSS 0.36% · P28

Affected Version Matrix 6

VendorProduct Version RangeStatus
GitHub Enterprise Server 3.17.0≤ 3.17.16 affected
3.18.0≤ 3.18.10 affected
3.19.0≤ 3.19.7 affected
3.20.0≤ 3.20.3 affected
3.21.0≤ 3.21.1 affected
3.16.0≤ 3.16.19 affected
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I. Basic Information for CVE-2026-9106

Vulnerability Information
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Vulnerability Title
UI misrepresentation vulnerability in GitHub Enterprise Server allowed unauthorized organization runner management via undisclosed OAuth scope on consent screen
Source: CVE Program / CVE List V5
Vulnerability Description
A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed an OAuth application to gain unintended access to an organization's runner management. An attacker could exploit this by creating an OAuth application requesting the manage_runners:org scope and directing a victim user to authorize it, as the scope was not displayed on the authorization consent screen. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.22 and was fixed in versions 3.21.2, 3.20.4, 3.19.8, 3.18.11, 3.17.17, 3.16.20. This vulnerability was reported via the GitHub Bug Bounty program.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键信息的UI错误表达
Source: CVE Program / CVE List V5
Vulnerability Title
GitHub Enterprise Server 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitHub enterprise server是美国GitHub公司的一款一座企业级代码托管服务器。 GitHub Enterprise Server存在处理逻辑错误漏洞，该漏洞源于UI误表示问题，可能导致OAuth application通过授权同意屏幕未正确显示权限范围，从而无意中获得对组织runner管理的访问权限。以下版本受到影响：3.17.17之前版本、3.18.11之前版本、3.19.8之前版本、3.20.4之前版本和3.21.2之前版本。
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
GitHub Enterprise Server 3.17.0 ~ 3.17.16 -

II. Public POCs for CVE-2026-9106

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III. Intelligence Information for CVE-2026-9106

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Vendor Pages for CVE-2026-9106 (4)

Same Patch Batch · GitHub · 2026-06-30 · 3 CVEs total

CVE-2026-9132 Missing authorization vulnerability in GitHub Enterprise Server allowed disclosure of priv
CVE-2026-10585 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed arbitrary Ja

IV. Related Vulnerabilities

Same product: Enterprise Server
Same vendor: GitHub
Same weakness: CWE-451

V. Comments for CVE-2026-9106

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