CVE-2026-66066-POC — Updated!

PoC for CVE-2026-66066 - Minimal stock Rails/libvips lab This repository reproduces the Rails Active Storage file-read-to-RCE chain described by GHSA-xr9x-r78c-5hrm against Rails 8.1.3, the newest affected Rails 8.1 release. Rails 8.1.3.1 is the patched control. Use it only in the disposable loca...

GHSA-XR9X-R78C-5HRM Active Storage has possible arbitrary file read and remote code execution in Active Storage variant processing

Impact In its default configuration, a Rails application that displays image variants may allow an unauthenticated attacker to read arbitrary files from the server, including the process environment. That environment typically holds secretkeybase and often credentials for external systems, which...

CVE-2026-24749 Silverstripe Assets Module has a DBFile::getURL() permission bypass

The Silverstripe Assets Module is a required component of Silverstripe Framework. In versions prior to 2.4.5 and 3.0.0-rc1 through 3.1.2, images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which...

CVE-2026-24749

The Silverstripe Assets Module is a required component of Silverstripe Framework. In versions prior to 2.4.5 and 3.0.0-rc1 through 3.1.2, images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which...

CVE-2026-24749 Silverstripe Assets Module has a DBFile::getURL() permission bypass

The Silverstripe Assets Module is a required component of Silverstripe Framework. In versions prior to 2.4.5 and 3.0.0-rc1 through 3.1.2, images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which...