---
title: "CVE-2019-15723\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2019-15723?format=md
keywords: index, follow
---

# CVE-2019-15723

Publication date 16 September 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-15723?format=md#impact-score)

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## Description

An issue was discovered in GitLab Community and Enterprise Edition 11.9.x
and 11.10.x before 11.10.1. Merge requests created by email could be used
to bypass push rules in certain situations.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-15723?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gitlab | 19.10 eoan | Not in release |
| 19.04 disco | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [msalvatore](https://launchpad.net/~msalvatore)

Affects GitLab CE/EE versions 11.9.4-11.10.0. Please note that this was already fixed in 11.10.1

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.3 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | Low |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15723)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-15723)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-15723)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-15723)

### Other references

* <https://about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/>
* <https://www.cve.org/CVERecord?id=CVE-2019-15723>