CVE-2026-2370
Improper Authorization in GitLab Jira Connect Enables Credential Theft
Publication date: 2026-03-30
Last updated on: 2026-03-30
Assigner: GitLab Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
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 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
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
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.
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.