CVE-2026-9204
Received Received - Intake
Authenticated File Read in GitLab CE/EE via Gitaly Import

Publication date: 2026-06-11

Last updated on: 2026-06-11

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to read arbitrary files from the Gitaly server and access internal network resources during repository import, due to insufficient validation of secondary URLs.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-11
Last Modified
2026-06-11
Generated
2026-06-11
AI Q&A
2026-06-11
EPSS Evaluated
N/A
NVD
CVE-2026-9204
EUVD
EUVD-2026-36225
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 18.10 (inc) to 18.10.8 (exc)
gitlab gitlab_ee From 18.10 (inc) to 18.10.8 (exc)
gitlab gitlab_ce From 18.11 (inc) to 18.11.5 (exc)
gitlab gitlab_ee From 18.11 (inc) to 18.11.5 (exc)
gitlab gitlab_ce From 19.0 (inc) to 19.0.2 (exc)
gitlab gitlab_ee From 19.0 (inc) to 19.0.2 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability affects GitLab CE/EE versions before 18.10.8, 18.11.5, and 19.0.2. Under certain conditions, an authenticated user could exploit insufficient validation of secondary URLs during repository import to read arbitrary files from the Gitaly server and access internal network resources.

Impact Analysis

The vulnerability allows an authenticated user to read arbitrary files on the Gitaly server and access internal network resources. This could lead to unauthorized disclosure of sensitive information stored on the server or within the internal network.

Mitigation Strategies

To mitigate this vulnerability, update GitLab CE/EE to a fixed version. Specifically, upgrade to version 18.10.8 or later if you are using the 18.10 series, 18.11.5 or later if you are using the 18.11 series, or 19.0.2 or later if you are using the 19.0 series.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-9204. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart