CVE-2026-35591

A flaw was found in libvips, an image processing library. The tiffload operation, which handles loading TIFF images, could incorrectly identify the number of channels in embedded JPEG or JPEG2000 tiles. This vulnerability may allow a local attacker with low privileges to trigger a buffer overflow...

rails-activestorage-vips-audit — Updated!

rails-activestorage-vips-audit An Agent Skill that audits Ruby on Rails repositories for exposure to CVE-2026-66066 KindaRails2Shell — the Active Storage libvips variant-processing vulnerability that allows arbitrary file read and, in a Rails application, remote code execution. The skill is a...

K000162741: Ruby on Rails Action Pack vulnerability CVE-2026-66066

Security Advisory Description Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation...

SUSE CVE-2026-66066

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

Exploit for CVE-2026-66066

kindarails2shell-poc CVE-202...

Arbitrary File Read

Action Pack Active Storage is vulnerable to Arbitrary File Read. The vulnerability is due to unsafe libvips operations being permitted on untrusted image uploads, allowing attackers to craft malicious images that read arbitrary files accessible to the Rails process and expose sensitive applicatio...

CVE-2026-66066

A flaw was found in Active Storage, a component of Action Pack. An unauthenticated attacker can exploit this vulnerability by crafting a malicious file upload. This allows the attacker to invoke unsafe libvips operations, leading to the ability to read arbitrary files on the system including...

Exploit for CVE-2026-66066

rails-forensics-CVE-2026-66066 Tooling and method for answeri...

CVE-2026-66066

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

CVE-2026-66066

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

EUVD-2026-51270

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

CVE-2026-66066 Action Pack: Possible arbitrary file read and remote code execution in Active Storage variant processing

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

CVE-2026-66066

CVE-2026-66066 (CVSS 9.5 CRITICAL) affects Ruby on Rails Active Storage in versions prior to 7.2.3.2, 8.0.5.1, and 8.1.3.1 . The root cause is that Active Storage fails to disable libvips operations marked unfuzzed (unsafe for untrusted content), so a crafted image upload can invoke such an opera...

CVE-2026-66066 Action Pack: Possible arbitrary file read and remote code execution in Active Storage variant processing

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

CVE-2026-66066

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

CVE-2026-66066 Action Pack: Possible arbitrary file read and remote code execution in Active Storage variant processing

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...

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...

KindaRails2Shell: CVE-2026-66066, Critical Arbitrary File Read and Possible Remote Code Execution in Ruby on Rails

Overview On July 29, 2026, the Ruby on Rails project published a security advisory for CVE-2026-66066, a critical vulnerability affecting Active Storage image processing when used in conjunction with the libvips image processing library. The vulnerability has a CVSSv4 score of 9.5 and is classifi...

Files or Directories Accessible to External Parties

Overview Affected versions of this package are vulnerable to Files or Directories Accessible to External Parties through the Vips analyzer and Vips transformer in vips.rb. An attacker can read files from the server, including process environment variables, by uploading a crafted image and causing...

CVE-2026-66066: Initialization of a Resource with an Insecure Default

Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are...