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Vulnerability record · CVE-2022-39205 · published 13 September 2022

CVE-2022-39205: Onedev project onedev improper authentication vulnerability

Onedev Project · Onedev

Onedev is an open source, self-hosted Git Server with CI/CD and Kanban. In versions of Onedev prior to 7.3.0 unauthenticated users can take over a OneDev instance if there is no properly configured reverse proxy. The /git-prereceive-callback endpoint is used by the pre-receive git hook on the server to check for branch protections during a push event. It is only intended to be accessed from localhost, but the check relies on the X-Forwarded-For header. Invoking this endpoint leads to the execution of one of various git commands. The environment variables of this command execution can be controlled via query parameters. This allows attackers to write to arbitrary files, which can in turn lead to the execution of arbitrary code. Such an attack would be very hard to detect, which increases the potential impact even more. Users are advised to upgrade. There are no known workarounds for this issue.

9.8 CVSS 3.1 Critical EPSS 2.4% · top 17.0% CWE-287 · Improper authentication
9.8CVSS 3.1 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Onedev is an open source, self-hosted Git Server with CI/CD and Kanban. In versions of Onedev prior to 7.3.0 unauthenticated users can take over a OneDev instance if there is no properly configured reverse proxy. The /git-prereceive-callback endpoint is used by the pre-receive git hook on the server to check for branch protections during a push event. It is only intended to be accessed from localhost, but the check relies on the X-Forwarded-For header. Invoking this endpoint leads to the execution of one of various git commands. The environment variables of this command execution can be controlled via query parameters. This allows attackers to write to arbitrary files, which can in turn lead to the execution of arbitrary code. Such an attack would be very hard to detect, which increases the potential impact even more. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.sonarsource.com/onedev-remote-code-execution/ ExploitThird Party Advisory
https://github.com/theonedev/onedev/commit/f1e97688e4e19d6de1dfa1d00e04655209d39f8e PatchThird Party Advisory
https://github.com/theonedev/onedev/releases/tag/v7.3.0 Release NotesThird Party Advisory
https://github.com/theonedev/onedev/security/advisories/GHSA-4f9h-h82c-4xm2 Third Party Advisory
https://blog.sonarsource.com/onedev-remote-code-execution/ ExploitThird Party Advisory
https://github.com/theonedev/onedev/commit/f1e97688e4e19d6de1dfa1d00e04655209d39f8e PatchThird Party Advisory
https://github.com/theonedev/onedev/releases/tag/v7.3.0 Release NotesThird Party Advisory
https://github.com/theonedev/onedev/security/advisories/GHSA-4f9h-h82c-4xm2 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-39205), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.