What’s Vulnerable › Vulnerabilities

CVE-2018-19856

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-26 · updated 2026-06-17
• Weakness: CWE-22

Description

GitLab CE/EE before 11.3.12, 11.4.x before 11.4.10, and 11.5.x before 11.5.3 allows Directory Traversal in Templates API.

Affected products

• GitLab: before 11.3.12; from 11.4.0 before 11.4.10; from 11.5.0 before 11.5.3 — fixed in 11.3.12, 11.4.10, 11.5.3

How to fix

Upgrade to a fixed version: GitLab 11.3.12, 11.4.10, 11.5.3. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/2018/12/06/critical-security-release-gitlab-11-dot-5-dot-3-released/
• https://gitlab.com/gitlab-org/gitlab-ce/issues/54857
• https://about.gitlab.com/2018/12/06/critical-security-release-gitlab-11-dot-5-dot-3-released/
• https://gitlab.com/gitlab-org/gitlab-ce/issues/54857

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