source avatarWelsh ICP Conviction 🏴󠁧󠁢󠁷󠁬󠁳󠁿🏉

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🚨 A FAKE IMAGE CAN TURN A RAILS SERVER INTO AN OPEN FILING CABINET — THIS IS WHY $ICP MATTERS ♾️ Ruby on Rails has patched CVE-2026-66066 — a critical vulnerability carrying a CVSS score of 9.5. An unauthenticated attacker could upload a specially constructed file disguised as an image and abuse Rails Active Storage with libvips to read arbitrary files accessible to the application. Potentially exposed: • secret_key_base • Rails master keys • Database credentials • AWS, Azure or Google Cloud keys • API tokens • The Rails process environment Once these secrets are stolen, attackers may be able to forge trusted application data, move into connected infrastructure and potentially achieve remote code execution. The vulnerable stack trusted one component to identify the file by its declared content type, while another identified it from its internal bytes. One malicious “image.” Multiple libraries. One disagreement between them. Potential control of the entire application. There are currently no confirmed victims or known exploitation in the wild, but researchers have now published a working technical chain from arbitrary file reading to remote code execution. Affected operators must upgrade Active Storage to: • Rails 7.2.3.2 • Rails 8.0.5.1 • Rails 8.1.3.1 They must also upgrade libvips to at least 8.13 and rotate every secret the Rails process could access. Patching the code does not magically recover credentials that may already have been stolen. This does not mean Rails is useless. It demonstrates the structural weakness of the traditional cloud stack: Frameworks connected to image processors, operating-system files, environment secrets, databases, cloud accounts, storage services and third-party APIs. Compromise one trust boundary and the attacker starts climbing the entire infrastructure ladder. $ICP takes a fundamentally different approach. Canisters combine WebAssembly code and persistent state, execute inside isolated Wasm sandboxes and can host application logic, data and certified web assets without separate application servers, database servers or conventional cloud infrastructure. $ICP cannot prevent developers from writing vulnerable code. What it can do is remove entire layers of infrastructure, credentials and middleware that attackers traditionally exploit — while isolating canisters so they cannot simply read each other’s memory. Web3 keeps launching tokens. $ICP by @DFINITY is rebuilding the internet’s security architecture. ♾️ SUPPORT THE $ICP MISSION: 1e672d038cebc619d93186418fa98f6499dbdb9cfdfac54f366c61a4a4ee4362 https://t.co/gKrL3T0Bqm #ICP #InternetComputer #DFINITY #CyberSecurity #RubyOnRails #CVE202666066 #CloudSecurity #WebAssembly #Canisters #SovereignCloud #Blockchain #Web3

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