Unrestricted File Upload Vulnerabilities: Risks and Fixes
An unrestricted file upload vulnerability lets an attacker place a working web shell on your server through a form that was only ever supposed to accept profile pictures or PDFs.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
An unrestricted file upload vulnerability lets an attacker place a working web shell on your server through a form that was only ever supposed to accept profile pictures or PDFs.
ReversingLabs disclosed two malicious Hugging Face models that evaded Picklescan by using broken 7z-packed PyTorch archives. We unpack the technique.
NIST finalized SP 800-218A on July 26, 2024, augmenting the Secure Software Development Framework with practices specific to generative AI and dual-use foundation models.
In January 2025 Wiz Research found a wide-open ClickHouse instance belonging to AI startup DeepSeek, leaking chat history, API keys, and internal log streams. We unpack the AI-supply-chain implications.
A routine phishing-URL takedown clicked the wrong button and disabled R2 globally for 59 minutes. Here is what went wrong and the two-party approval Cloudflare added afterwards.
AI-generated voice and video deepfakes powered a new wave of phishing campaigns in early 2025. The technology is cheap, the results are convincing, and defenses are lagging.
IAST security instruments a running application to watch real requests flow through real code, catching vulnerabilities that static analysis and black-box scanning both miss.
An enterprise security solution is less about a single flagship product and more about how well a set of controls integrates, scales, and produces evidence for auditors.
Open-weight models give you total deployment control. They also give you a new supply chain to secure. The tradeoff is worth being explicit about.
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