CVE-2026-2370

Modified Modified - Updated After Analysis

Improper Authorization in GitLab Jira Connect Enables Credential Theft

Publication date: 2026-03-30

Last updated on: 2026-06-30

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.3 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 affecting Jira Connect installations that could have allowed an authenticated user with minimal workspace permissions to obtain installation credentials and impersonate the GitLab app due to improper authorization checks.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-03-30

Last Modified

2026-06-30

Generated

2026-07-06

AI Q&A

2026-03-30

EPSS Evaluated

2026-07-05

NVD

CVE-2026-2370

EUVD

EUVD-2026-17046

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 18.9.0 (inc) to 18.9.3 (exc)
gitlab	gitlab	18.10.0
gitlab	gitlab	From 18.9.0 (inc) to 18.9.3 (exc)
gitlab	gitlab	18.10.0
gitlab	gitlab	From 14.3.0 (inc) to 18.8.7 (exc)
gitlab	gitlab	From 14.3.0 (inc) to 18.8.7 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-233	The product does not properly handle when the expected number of parameters, fields, or arguments is not provided in input, or if those parameters are undefined.

Attack-Flow Graph

Executive Summary

This vulnerability affects GitLab CE/EE versions from 14.3 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1, specifically in Jira Connect installations. It allows an authenticated user with minimal workspace permissions to obtain installation credentials and impersonate the GitLab app due to improper authorization checks.

Impact Analysis

The vulnerability can lead to an authenticated user with minimal permissions gaining unauthorized access to installation credentials. This enables them to impersonate the GitLab app, potentially leading to unauthorized actions or access within the affected system. The CVSS score of 8.1 indicates a high severity with high impact on confidentiality and integrity.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.8.7 or later if you are using the 14.3 to 18.8 series, version 18.9.3 or later if you are using the 18.9 series, or version 18.10.1 or later if you are using the 18.10 series.

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