CVE-2019-6781

An Improper Input Validation issue was discovered in GitLab Community and Enterprise Edition...

7.5 High

An Improper Input Validation issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It was possible to use the profile name to inject a potentially malicious link into notification emails.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

1.15%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2019-6781
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-601
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-6781
Updated: 2026-11-02

EUVDEUVD-2019-16339 No score

Record: EUVD-2019-16339
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qjj8-rghq-cx4f 7.5

An Improper Input Validation issue was discovered in GitLab Community and Enterprise Edition...

Record: GHSA-qjj8-rghq-cx4f
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSV 7.5

Record: CVE-2019-6781
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-6781 7.5

Record: UBUNTU-CVE-2019-6781
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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

History

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

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

In short

CVE-2019-6781 is a high vulnerability (CVSS 7.5) in Gitlab, published May 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. No source names a fixed version.