CVE-2026-9807
Analyzed Analyzed - Analysis Complete
Incorrect Authorization Enforcement in GitLab CE/EE

Publication date: 2026-05-28

Last updated on: 2026-05-29

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-28
Last Modified
2026-05-29
Generated
2026-06-17
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-9807
EUVD
EUVD-2026-32742
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 18.9.0 (inc) to 18.10.7 (exc)
gitlab gitlab From 18.9.0 (inc) to 18.10.7 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in GitLab CE/EE affects versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1. Under certain conditions, a blocked Project Access Token could still access private resources due to incorrect authorization enforcement.

Impact Analysis

The vulnerability could allow a blocked Project Access Token to continue accessing private resources, potentially exposing sensitive data or resources that should have been restricted.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to GitLab CE/EE version 18.10.7 or later, 18.11.4 or later, or 19.0.1 or later, depending on your current version.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-9807. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart