CVE-2018-17452 Server-side request forgery in n/a
Attackers can exploit SSRF in GitLab to access internal services via loopback addresses, potentially reading sensitive data or bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17452?
CVE-2018-17452 is a critical server-side request forgery vulnerability in Gitlab Gitlab, published on 15 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2018-17452?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2018-17452?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2018-17452 being exploited?
There is no known exploitation of CVE-2018-17452 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-8xwc-6h6p-hh69, MINI-8p4p-gxp6-hmc6, MINI-97gw-7vxv-ch69, UBUNTU-CVE-2018-17452.