CVE-2026-1402
Analyzed Analyzed - Analysis Complete
Denial of Service in GitLab CE/EE

Publication date: 2026-05-27

Last updated on: 2026-05-27

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-27
Last Modified
2026-05-27
Generated
2026-06-17
AI Q&A
2026-05-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-1402
EUVD
EUVD-2026-32622
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab From 18.11.0 (inc) to 18.11.4 (exc)
gitlab gitlab 19.0.0
gitlab gitlab From 18.11.0 (inc) to 18.11.4 (exc)
gitlab gitlab 19.0.0
gitlab gitlab From 17.1.0 (inc) to 18.10.7 (exc)
gitlab gitlab From 17.1.0 (inc) to 18.10.7 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in GitLab CE/EE affects versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1. Under certain conditions, it allows an authenticated user to cause a denial of service due to insufficient validation.

Impact Analysis

The impact of this vulnerability is a denial of service (DoS) attack, which means an authenticated user could disrupt the normal functioning of the GitLab service, potentially making it unavailable to other users.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.10.7 or later if you are using the 18.10 series, 18.11.4 or later if using the 18.11 series, or 19.0.1 or later if using the 19.0 series.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-1402. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart