web application security
KindaRails2Shell threatens Ruby on Rails apps (CVE-2026-66066)
A critical security vulnerability (CVE-2026-66066) in Ruby on Rails (aka Rails), one of the most widely used frameworks for building websites and web apps, may allow attackers …
AWS to retire Shield Advanced L7 automatic mitigation on January 1, 2027
AWS Shield Advanced, a managed service that protects applications from external threats, is adding the Anti-DDoS managed rule group, designed for application-layer (L7) DDoS …
Microsoft AntiSSRF open-source library helps block server-side request forgery
AntiSSRF is an open-source code library from Microsoft that validates URLs and network connections to reduce server-side request forgery (SSRF) risks in web applications. It …
Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)
Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall …
More than half of public vulnerabilities bypass leading WAFs
Miggo Security has released a new report that examines how web application firewalls are used across real-world security programs. The research outlines the role WAFs play as …
A suspected Fortinet FortiWeb zero-day is actively exploited, researchers warn
A suspected (but currently unidentified) zero-day vulnerability in Fortinet FortiWeb is being exploited by unauthenticated attackers to create new admin accounts on …
Exploits for unauthenticated FortiWeb RCE are public, so patch quickly! (CVE-2025-25257)
With two proof-of-concept (PoC) exploits made public late last week, CVE-2025-25257 – a critical SQL command injection vulnerability in Fortinet’s FortiWeb web …
Rack Ruby vulnerability could reveal secrets to attackers (CVE-2025-27610)
Researchers have uncovered three serious vulnerabilities in Rack, a server interface used by most Ruby web app frameworks (Ruby on Rails, Sinatra, Hanami, Roda, and others). …
Critical Next.js auth bypass vulnerability opens web apps to compromise (CVE-2025-29927)
A critical vulnerability (CVE-2025-29927) in the open source Next.js framework can be exploited by attackers to bypass authorization checks and gain unauthorized access to web …
Attackers compromise IIS servers by leveraging exposed ASP.NET machine keys
A ViewState code injection attack spotted by Microsoft threat researchers in December 2024 could be easily replicated by other attackers, the company warned. “In the …
Tackling software vulnerabilities with smarter developer strategies
In this Help Net Security interview, Karl Mattson, CISO at Endor Labs, discusses strategies for enhancing secure software development. Mattson covers how developers can …
SafeLine: Open-source web application firewall (WAF)
SafeLine is an open-source and self-hosted Web Application Firewall (WAF) that protects websites from cyber attacks. “SafeLine WAF was created to protect web …
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