CVE-2017-12426

GitLab Community Edition (CE) and Enterprise Edition (EE) before 8.17.8, 9.0.x before 9.0.13, 9.1...

8.8 HighPublic exploit

GitLab Community Edition (CE) and Enterprise Edition (EE) before 8.17.8, 9.0.x before 9.0.13, 9.1.x before 9.1.10, 9.2.x before 9.2.10, 9.3.x before 9.3.10, and 9.4.x before 9.4.4 might allow remote attackers to execute arbitrary code via a crafted SSH URL in a project import.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.54%Up 2.2 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2017-12426
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-12426
Updated: 2026-11-02

EUVDEUVD-2017-3999 No score

Record: EUVD-2017-3999
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mwvc-fhmm-47cq 8.8

GitLab Community Edition (CE) and Enterprise Edition (EE) before 8.17.8, 9.0.x before 9.0.13, 9.1...

Record: GHSA-mwvc-fhmm-47cq
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

OSV 8.8

Record: CVE-2017-12426
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-12426 8.8

Record: UBUNTU-CVE-2017-12426
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Ubuntu:16.04:LTS	All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5	None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	sm-paul-schuette/CVE-2017-12426	2017-08-14

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-12426 is a high vulnerability (CVSS 8.8) in Gitlab, published August 14, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.54%, the 89th percentile. No source names a fixed version.