What’s Vulnerable › Vulnerabilities

CVE-2021-39866

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-05 · updated 2026-06-17

Description

A business logic error in the project deletion process in GitLab 13.6 and later allows persistent access via project access tokens.

Affected products

• GitLab: from 13.6.0 before 14.1.7; from 14.2.0 before 14.2.5; 4.3.0 — fixed in 14.1.7, 14.2.5

How to fix

Upgrade to a fixed version: GitLab 14.1.7, 14.2.5. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39866.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/333175
• https://hackerone.com/reports/1199561
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39866.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/333175
• https://hackerone.com/reports/1199561

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