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

Published Jun 6, 2026
·
Updated

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.

Affected Software

1 affected component
theonedev OneDev<=15.0.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade theonedev onedev to a version that resolves this vulnerability.

    Fixed in 15.0.6

Event History

Jun 6, 2026
CVE Published
via MITRE·05:30 PM
Data Sourced
via MITRE·05:30 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-11440?

The severity of CVE-2026-11440 is rated as medium with a score of 6.3.

2

How does CVE-2026-11440 affect the OneDev REST API?

CVE-2026-11440 affects the OneDev REST API by allowing improper authorization through manipulation of the project.defaultBranch argument.

3

What versions of OneDev are impacted by CVE-2026-11440?

CVE-2026-11440 affects OneDev versions up to 15.0.5.

4

How can I mitigate the risks associated with CVE-2026-11440?

Mitigation for CVE-2026-11440 involves updating OneDev to a version beyond 15.0.5 where this flaw has been addressed.

5

Is user interaction required for CVE-2026-11440 to be exploited?

No, user interaction is not required for CVE-2026-11440 to be exploited, as indicated by its classification.

Company

Resources

Contact

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