What is CVE-2018-19580?

CVE-2018-19580 is a medium-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2019-07-10.

How severe is CVE-2018-19580?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in GitLab

CVE-2018-19580

All versions of GitLab prior to 11.5.1, 11.4.8, and 11.3.11 do not send an email to the old email address when an email address change is made.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

gitlab.com/gitlab-org/gitlab-ce/issues/39809 (Issue Tracking, Vendor Advisory)
about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-19580?: CVE-2018-19580 is a medium-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2019-07-10.
How severe is CVE-2018-19580?: Medium severity. CVSS v3 base score is 5.3 out of 10.