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Published: 22 April 2020

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(debian: Only affects GitLab EE 12.8.0 and later)
xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N