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GitLab 18.11.3 RCE via Jupyter Notebook Diff — Mitigation Guide
HIGH
Vulnerabilities

GitLab 18.11.3 RCE via Jupyter Notebook Diff — Mitigation Guide

An exploit PoC for GitLab 18.11.3 allows authenticated users to achieve RCE as the git user by requesting diffs of crafted Jupyter notebooks. Learn how to mitigate.

Runtime Rebel Intel
4 min read · Jul 25, 2026