CVE-2026-5173
High · 8.5CVSS
8.5
EPSS
0.4%
Published
Apr 8, 2026
CISA due date
—
The record
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to invoke unintended server-side methods through websocket connections due to improper access control.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
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- CVE-2026-48056 Streambert is a cross-platform Electron Desktop App to stream and download video content. CWE-749
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- CVE-2026-45489 Microsoft Edge (Chromium-based) Spoofing Vulnerability CWE-749
- CVE-2026-14620 webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints… CWE-749
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