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Vulnerability record · CVE-2019-13139 · published 22 August 2019

CVE-2019-13139: Docker os command injection vulnerability

Docker · Docker

In Docker before 18.09.4, an attacker who is capable of supplying or manipulating the build path for the "docker build" command would be able to gain command execution. An issue exists in the way "docker build" processes remote git URLs, and results in command injection into the underlying "git clone" command, leading to code execution in the context of the user executing the "docker build" command. This occurs because git ref can be misinterpreted as a flag.

8.4 CVSS 3.0 High EPSS 2.0% · top 19.6% CWE-78 · OS command injection
8.4CVSS 3.0 base score, v2 4.6
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Docker before 18.09.4, an attacker who is capable of supplying or manipulating the build path for the "docker build" command would be able to gain command execution. An issue exists in the way "docker build" processes remote git URLs, and results in command injection into the underlying "git clone" command, leading to code execution in the context of the user executing the "docker build" command. This occurs because git ref can be misinterpreted as a flag.

CVSS:3.0/AV:L/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://access.redhat.com/errata/RHBA-2019:3092
https://docs.docker.com/engine/release-notes/#18094 Release NotesVendor Advisory
https://github.com/moby/moby/pull/38944 PatchThird Party Advisory
https://seclists.org/bugtraq/2019/Sep/21
https://security.netapp.com/advisory/ntap-20190910-0001/
https://staaldraad.github.io/post/2019-07-16-cve-2019-13139-docker-build/ ExploitThird Party Advisory
https://www.debian.org/security/2019/dsa-4521
https://access.redhat.com/errata/RHBA-2019:3092
https://docs.docker.com/engine/release-notes/#18094 Release NotesVendor Advisory
https://github.com/moby/moby/pull/38944 PatchThird Party Advisory
https://seclists.org/bugtraq/2019/Sep/21
https://security.netapp.com/advisory/ntap-20190910-0001/
https://staaldraad.github.io/post/2019-07-16-cve-2019-13139-docker-build/ ExploitThird Party Advisory
https://www.debian.org/security/2019/dsa-4521

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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-2019-13139), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.