Medium 6.3Published Jun 6, 2026

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

Updated under an hour ago (Oct 27, 2026, 2:50 PM ET)

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It affects theonedev onedev. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for theonedev onedev

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
Weakness (CWE): CWE-285, CWE-266
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

theonedev onedev theonedev:onedev	15.0.0; 15.0.1; 15.0.2; 15.0.3; 15.0.4; 15.0.5; 15.0.6 not affected	CNA record

References

References

https://vuldb.com/vuln/369020	vdb-entry, technical-description
https://vuldb.com/vuln/369020/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-11440	third-party-advisory
https://vuldb.com/submit/822956	third-party-advisory
https://www.cnblogs.com/aibot/p/19994142	related
https://github.com/theonedev/onedev/releases/tag/v15.0.6	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.