What’s Vulnerable › Vulnerabilities

CVE-2020-6833

• Severity: high (CVSS 7.5 v3.1)
• 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: none known
• Published: 2020-02-05 · updated 2026-06-17

Description

An issue was discovered in GitLab EE 11.3 and later. A GitLab Workhorse bypass could lead to package and file disclosure via request smuggling.

Affected products

• GitLab: from 11.3.0 before 12.5.9; from 12.6.0 before 12.6.6; from 12.7.2 before 12.7.4 — fixed in 12.5.9, 12.6.6, 12.7.4

How to fix

Upgrade to a fixed version: GitLab 12.5.9, 12.6.6, 12.7.4. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/blog/categories/releases/
• https://about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/
• https://about.gitlab.com/blog/categories/releases/
• https://about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/

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