GitLab Improper Auth Jira Connect creds leak v14.318.8.6/18.918.9.2
CVE-2026-2370 Published on March 29, 2026
Improper Handling of Parameters in GitLab
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.
Vulnerability Analysis
CVE-2026-2370 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Handling of Parameters
The software does not properly handle when the expected number of parameters, fields, or arguments is not provided in input, or if those parameters are undefined.
Products Associated with CVE-2026-2370
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Affected Versions
GitLab:- Version 14.3 and below 18.8.7 is affected.
- Version 18.9 and below 18.9.3 is affected.
- Version 18.10 and below 18.10.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.