CVE-2018-18649

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-29 · updated 2026-06-17

Description

An issue was discovered in the wiki API 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 allows for remote code execution.

Affected products

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

How to fix

Upgrade to a fixed version: GitLab 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/53072
https://about.gitlab.com/2018/10/29/security-release-gitlab-11-dot-4-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/53072

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