Researcher Publishes GitLab RCE PoC Letting Authenticated Users Run Commands as Git

Security researcher Yuhang Wu at depthfirst has published a working proof-of-concept (PoC) exploit that executes commands as git on an unpatched self-managed GitLab 18.11.3 server.

An ordinary authenticated user triggers it by committing two crafted Jupyter notebooks and requesting their diff. The chain needs no administrator rights, continuous integration (CI) runner access, victim interaction

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id: 2223
uid: fwXkx
insdate: 2026-07-25 09:10:05
title: Researcher Publishes GitLab RCE PoC Letting Authenticated Users Run Commands as Git
additional: Security researcher Yuhang Wu at depthfirst has published a working proof-of-concept (PoC) exploit that executes commands as git on an unpatched self-managed GitLab 18.11.3 server.

An ordinary authenticated user triggers it by committing two crafted Jupyter notebooks and requesting their diff. The chain needs no administrator rights, continuous integration (CI) runner access, victim interaction
category: Cybersecurity
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guid: https://thehackernews.com/2026/07/researcher-publishes-gitlab-rce-poc.html
source_url: https://thehackernews.com/2026/07/researcher-publishes-gitlab-rce-poc.html
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