What’s Vulnerable › Vulnerabilities

CVE-2026-2370: Improper Handling of Parameters in GitLab

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-30 · updated 2026-07-15
• Weakness: CWE-233

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.

Affected products

• GitLab: from 14.3.0 before 18.8.7; from 18.9.0 before 18.9.3; 18.10.0 — fixed in 18.8.7, 18.9.3

How to fix

Upgrade to a fixed version: GitLab 18.8.7, 18.9.3. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/589635
• https://hackerone.com/reports/3522829
• https://access.redhat.com/security/cve/CVE-2026-2370
• https://bugzilla.redhat.com/show_bug.cgi?id=2452920
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2370.json

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