CVE-2025-6016: Denial of Service issue in notes endpoint impacts GitLab CE/EE

Published Apr 22, 2026
·
Updated

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed an authenticated user to cause denial of service due to insufficient resource allocation limits when retrieving notes under certain conditions.

Other sources

GitLab has remediated an issue that could have allowed an authenticated user to cause denial of service due to insufficient resource allocation limits when retrieving notes under certain conditions.

GitLab

Affected Software

9 affected componentsFixes available
GitLab GitLab CE>=9.2<18.9.6, >=18.10<18.10.4, >=18.11<18.11.1
GitLab GitLab EE>=9.2<18.9.6, >=18.10<18.10.4, >=18.11<18.11.1
GitLab GitLab>=9.2<18.9.6, >=18.10<18.10.4, >=18.11<18.11.1
18.9.618.10.418.11.1
GitLab GitLab>=9.2.0<18.9.6
GitLab GitLab>=9.2.0<18.9.6
GitLab GitLab>=18.10.0<18.10.4
GitLab GitLab>=18.10.0<18.10.4
GitLab GitLab=18.11.0
GitLab GitLab=18.11.0

Remediation

Information

Upgrade to versions 18.9.6, 18.10.4, 18.11.1 or above.

Event History

Apr 22, 2026
CVE Published
via MITRE·04:05 PM
Data Sourced
via MITRE·04:05 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 23, 2026
Data Sourced
via GitLab·07:50 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-6016?

CVE-2025-6016 is classified as a Denial of Service vulnerability affecting specific versions of GitLab CE and EE.

2

How do I fix CVE-2025-6016?

To remediate CVE-2025-6016, upgrade your GitLab CE or EE to versions 18.9.6, 18.10.4, or 18.11.1.

3

Who is affected by CVE-2025-6016?

CVE-2025-6016 affects all authenticated users of GitLab CE and EE versions from 9.2 up to prior releases of 18.9.6, 18.10.4, and 18.11.1.

4

What versions of GitLab are impacted by CVE-2025-6016?

CVE-2025-6016 impacts GitLab CE and EE versions from 9.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1.

5

Is there a patch available for CVE-2025-6016?

Yes, patches for CVE-2025-6016 are included in the releases 18.9.6, 18.10.4, and 18.11.1 of GitLab.

Contact

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