system
Describe <CVE-2018-19571>.
user
What is <CVE-2018-19571>?
assistant
GitLab CE/EE, versions 8.18 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an SSRF vulnerability in webhooks..