CVE-2026-112378
Received Received - Intake

GitLab EE AI Feature Bypass via Billing Validation Flaw

Vulnerability report for CVE-2026-112378, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-22

Last updated on: 2026-10-22

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated user to access paid AI features without a valid subscription due to insufficient server-side validation in billing eligibility checks.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-22
Last Modified
2026-10-22
Generated
2026-10-22
AI Q&A
2026-10-22
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
GitLab GitLab 17.8
GitLab GitLab 19.4
GitLab GitLab 19.5

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-348 The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

Attack-Flow Graph

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Executive Summary

This vulnerability in GitLab EE allows an authenticated user to access paid AI features without a valid subscription due to insufficient server-side validation in billing eligibility checks. It affects versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1.

Impact Analysis

An attacker with valid credentials could exploit this to use paid AI features without paying for them, potentially leading to financial loss for the service provider or unauthorized access to premium features.

Mitigation Strategies

Upgrade GitLab EE to version 19.3.6, 19.4.3, or 19.5.1 or later to address the insufficient server-side validation in billing eligibility checks.

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