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CVE-2026-11440— theonedev REST API default-branch improper authorization

Quick assessment

Affected
theonedev onedev
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.

OneDev是Theonedev团队的一个基于JAVA的多合一DevOps平台。该平台支持容器构建、编排、CI、Git管理、团队协作等功能，帮助开发者构建一个简单、功能强大的开发平台。 OneDev 15.0.5及之前版本存在授权问题漏洞，该漏洞源于REST API组件文件/repositories/{projectId}/default-branch中参数project.defaultBranch的错误操作，可能导致授权不当。

CVSS 6.3 · Medium EPSS 0.21% · P11

Affected Version Matrix 7

VendorProduct Version RangeStatus
theonedev onedev 15.0.0 affected
15.0.1 affected
15.0.2 affected
15.0.3 affected
15.0.4 affected
15.0.5 affected
15.0.6 unaffected
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I. Basic Information for CVE-2026-11440

Vulnerability Information
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Vulnerability Title
theonedev REST API default-branch improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in theonedev onedev up to 15.0.5. This affects an unknown part of the file /repositories/{projectId}/default-branch of the component REST API. This manipulation of the argument project.defaultBranch causes improper authorization. It is possible to initiate the attack remotely. Upgrading to version 15.0.6 is able to mitigate this issue. Upgrading the affected component is advised.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OneDev 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OneDev是Theonedev团队的一个基于JAVA的多合一DevOps平台。该平台支持容器构建、编排、CI、Git管理、团队协作等功能，帮助开发者构建一个简单、功能强大的开发平台。 OneDev 15.0.5及之前版本存在授权问题漏洞，该漏洞源于REST API组件文件/repositories/{projectId}/default-branch中参数project.defaultBranch的错误操作，可能导致授权不当。
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
theonedev onedev 15.0.0 cpe:2.3:a:theonedev:onedev:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-11440

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III. Intelligence Information for CVE-2026-11440

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Security Blog Posts for CVE-2026-11440 (1)

Vendor Pages for CVE-2026-11440 (1)

Same Patch Batch · theonedev · 2026-06-06 · 4 CVEs total

CVE-2026-11439 6.3 MEDIUM theonedev Parent Project projects improper authorization
CVE-2026-11438 6.3 MEDIUM theonedev projects improper authorization
CVE-2026-11441 6.3 MEDIUM theonedev Pull Request issues canAccessIssue improper authorization

IV. Related Vulnerabilities

Same product: onedev
Same vendor: theonedev
Same weakness: CWE-285

V. Comments for CVE-2026-11440

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