What’s Vulnerable › Vulnerabilities

CVE-2018-18640

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-04 · updated 2026-06-17
• Weakness: CWE-200

Description

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It has Information Exposure Through Browser Caching.

Affected products

• GitLab: before 11.2.7; from 11.3.0 before 11.3.8; from 11.4.0 before 11.4.3 — fixed in 11.2.7, 11.3.8, 11.4.3

How to fix

Upgrade to a fixed version: GitLab 11.2.7, 11.3.8, 11.4.3. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/2018/10/29/security-release-gitlab-11-dot-4-dot-3-released/
• https://gitlab.com/gitlab-org/gitlab-ce/issues/51423
• https://about.gitlab.com/2018/10/29/security-release-gitlab-11-dot-4-dot-3-released/
• https://gitlab.com/gitlab-org/gitlab-ce/issues/51423

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