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

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-06 · updated 2026-07-23
Weakness: CWE-266

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.

Affected products

theonedev onedev: 15.0.0, 15.0.1, 15.0.2, 15.0.3, 15.0.4, 15.0.5

References

https://github.com/theonedev/onedev/releases/tag/v15.0.6
https://vuldb.com/cve/CVE-2026-11440
https://vuldb.com/submit/822956
https://vuldb.com/vuln/369020
https://vuldb.com/vuln/369020/cti
https://www.cnblogs.com/aibot/p/19994142

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