CVE-2019-15590

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-28 · updated 2026-06-17
Weakness: CWE-284

Description

An access control issue exists in < 12.3.5, < 12.2.8, and < 12.1.14 for GitLab Community Edition (CE) and Enterprise Edition (EE) where private merge requests and issues would be disclosed with the Group Search feature provided by Elasticsearch integration

Affected products

GitLab: from 12.1.0 before 12.1.14; from 12.2.0 before 12.2.8; from 12.3.0 before 12.3.5 — fixed in 12.1.14, 12.2.8, 12.3.5

How to fix

Upgrade to a fixed version: GitLab 12.1.14, 12.2.8, 12.3.5. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/releases/2019/10/07/security-release-gitlab-12-dot-3-dot-5-released/
https://hackerone.com/reports/701144
https://about.gitlab.com/releases/2019/10/07/security-release-gitlab-12-dot-3-dot-5-released/
https://hackerone.com/reports/701144

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