Description
An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.
References (2)
Core 2
Core References
Release Notes
https://about.gitlab.com/blog/categories/releases/
Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/
Scores
CVSS v3
9.8
EPSS
0.0029
EPSS Percentile
52.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-918
Status
published
Products (2)
gitlab/gitlab
11.3.0 (2 CPE variants)
gitlab/gitlab
< 11.1.7 (2 CPE variants)
Published
Apr 15, 2023
Tracked Since
Feb 18, 2026