CVE-2026-66066

CVE-2026-66066 — KindaRails2Shell Ruby on Rails Active Storage + libvips : herramienta PoC para lectura arbitraria de archivos → ejecución remota de código RCE condicional. Archivo único, Python 3.11+, solo biblioteca estándar y cero dependencias , con cargas útiles híbridas MAT/HDF5,...

CVE-2026-66066-POC

PoC para CVE-2026-66066 - Laboratorio mínimo de stock Rails/libvips Este repositorio reproduce la cadena de lectura-de-archivo-a-RCE de Rails Active Storage descrita en GHSA-xr9x-r78c-5hrm contra Rails 8.1.3, la versión afectada más reciente de Rails 8.1. Rails 8.1.3.1 es el control parcheado...

CVE-2019-5420

CVE-2019-5420 CVE-2019-5420 Ruby on Rails For educational purposes only. See Reference for the details. Environment Ruby: 2.6.0p0 Rails: 5.2.2 Run root@kitploit: $ docker run --name cve-2019-5420 --rm -p 3000:3000 knqyf263/cve-2019-5420 Exploit Execute touch /tmp/rce root@kitploit: $ curl...

KindaRails2Shell

KindaRails2Shell: CVE-2026-66066 Un proof of concept de un solo archivo y sin dependencias, más un laboratorio Docker aislado en loopback para la vulnerabilidad de lectura arbitraria de archivos en Rails Active Storage/libvips. También demuestra la escalación condicional del aviso desde una...

Astra Linux – Vulnerability in Rails

Active Storage allows users to attach cloud and local files in Rails applications. Before versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage’s DiskServicedeleteprefixed passed blob keys directly to Dir.glob, without escaping the glob metacharacters. If a blob key contains attacker-controlled...

rails-forensics-CVE-2026-66066

rails-forensics-CVE-2026-66066 Herramientas y método para responder dos preguntas sobre una aplicación Rails y la CVE-2026-66066, la lectura arbitraria de archivos de Active Storage y libvips conocida como KindaRails2Shell: 1. ¿Fui vulnerable, y durante cuánto tiempo? 2. ¿Fui explotado, y si es...

CVE-2026-66066

CVE-2026-66066 — KindaRails2Shell Rails Active Storage/libvips Lectura Arbitraria de Archivos → Robo de SECRETKEYBASE → RCE Resumen CVE-2026-66066 es una cadena de severidad crítica CVSS 9.5 de lectura arbitraria de archivos previa a la autenticación hasta ejecución remota de código en Ruby on...

CVE-2026-66066

🚨 CVE-2026-66066 — KindaRails2Shell Ejecución remota de código RCE sin autenticación previa en Ruby on Rails Active Storage Repositorio educativo de investigación de seguridad para CVE-2026-66066 "KindaRails2Shell". Este repositorio está destinado únicamente a investigación de seguridad, análisis...

Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity

Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck. The vulnerabilities in question are listed below - CVE-2026-0768 CVSS score: 9.8 - A lack of proper validation of a user-supplied input vulnerability that could be...

VulnCheck KEV: 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...

Astra Linux – Vulnerability in Rails

There is a code injection vulnerability in Active Storage version 5.2.0 and later, which could allow an attacker to execute code through imageprocessing arguments...

CVE-2026-45378

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the identity-document verification admin UI embeds verificationattachment blobs through reusable signed Active Storage disk URLs, allowing anyone who obtains a URL to...

CVE-2026-45378

CVE-2026-45378 affects Decidim where the identity-document verification admin UI embeds verification_attachment blobs using reusable signed Active Storage disk URLs. The implementation renders images with variant_url(...), producing signed /rails/active_storage/disk/... links that bypass authoriz...

CVE-2026-45378 Decidim: Verification documents can be downloaded through reusable links

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the identity-document verification admin UI embeds verificationattachment blobs through reusable signed Active Storage disk URLs, allowing anyone who obtains a URL to...

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...

Rapid7 Analysis: KindaRails2Shell (CVE-2026-66066)

Overview On July 29, 2026, the Ruby on Rails project published a security advisory for CVE-2026-66066, an arbitrary file read in Active Storage applications that use the Vips image processor with untrusted uploads. The affected Active Storage ranges are = 8.0, = 8.1, 8.1.3.1. Vips is the default...

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-2026-45377

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the normal downloadyourdata flow requires the requester to be logged in as the export owner, but the resulting Active Storage blob redirect URL can be replayed without...

CVE-2026-45377

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the normal downloadyourdata flow requires the requester to be logged in as the export owner, but the resulting Active Storage blob redirect URL can be replayed without...

CVE-2026-45377 Decidim: Private exports can be downloaded through reusable links

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the normal downloadyourdata flow requires the requester to be logged in as the export owner, but the resulting Active Storage blob redirect URL can be replayed without...