CVE-2026-9204
Analyzed Analyzed - Analysis Complete

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.

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Meta Information

Published
2026-06-11
Last Modified
2026-06-11
Generated
2026-07-01
AI Q&A
2026-06-11
EPSS Evaluated
2026-06-30
NVD
CVE-2026-9204
EUVD
EUVD-2026-36225

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab From 18.11.0 (inc) to 18.11.5 (exc)
gitlab gitlab From 19.0.0 (inc) to 19.0.2 (exc)
gitlab gitlab From 18.11.0 (inc) to 18.11.5 (exc)
gitlab gitlab From 19.0.0 (inc) to 19.0.2 (exc)
gitlab gitlab From 18.10.0 (inc) to 18.10.8 (exc)
gitlab gitlab From 18.10.0 (inc) to 18.10.8 (exc)

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Exploitability

CWE
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KEV
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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.

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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.

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