Eclipse Theia – Website security vulnerabilities

Eclipse Theia - Website is an development environment framework created by the Eclipse Foundation. There is a security vulnerability in Eclipse Theia - Website, which stems from the use of pullrequesttarget triggers in GitHub Actions workflows to execute untrusted code. This vulnerability may lea...

CVE-2026-1699: Inclusion of Functionality from Untrusted Control Sphere

In the Eclipse Theia Website repository, the GitHub Actions workflow .github/workflows/preview.yml used pullrequesttarget trigger while checking out and executing untrusted pull request code. This allowed any GitHub user to execute arbitrary code in the repository's CI environment with access to...