Code Execution in Jupyter Notebook Exports

After our research on Cursor , in the context of developer-ecosystem security, we turn our attention to the Jupyter ecosystem. We expose security risks we identified in the notebook’s export functionality, in the default Windows environment, to help organizations better protect their assets and...

Imperva Partners with TollBit to Power AI Traffic Monetization for Content Owners

The surge in AI-driven traffic is transforming how websites manage their content. With AI bots and agents visiting sites at unprecedented rates often scraping without permission, payment, or attribution content owners face a critical challenge: how to protect their intellectual property while...

Chain Reaction: Attack Campaign Activity in the Aftermath of React Server Components Vulnerability

Introduction and Vulnerability Overview Earlier this month, Imperva published an initial advisory outlining how our customers were protected against the newly disclosed React2Shell vulnerability impacting React Server Components RSC. That post focused on the essentials: a critical flaw arising fr...

The Privacy Gap in API Security: Why Protecting APIs Shouldn’t Put Your Data at Risk

The more critical APIs become, the more sensitive data they carry identities, payment details, health records, customer preferences, tokens, keys, and more. And this is where organizations face a painful, often invisible problem: To protect APIs, many organizations end up exposing the very data...

Imperva Customers Protected Against React Server Components (RSC) Vulnerability

Overview On December 3, 2025, the React and Next.js teams disclosed a critical security vulnerability CVSS 10.0, identified as React2Shell, affecting applications that leverage React Server Components together with Server Actions or Server Functions. The React2Shell vulnerability stems from...

’Tis the Season to Be Cyber-Wary: How Thales Protects Against Account Takeover During Peak Shopping Season

The holiday shopping season is the busiest time of year for online retailers, and increasingly the most dangerous. As traffic surges and customers rush to place orders, cybercriminals use the distraction and volume to blend in. Account Takeover ATO attacks spike sharply in November and December,...

CVE-2025-61757: Imperva Customers Protected Against Critical Oracle Identity Manager Authentication Bypass Leading to Remote Code Execution

At the end of October 2025, Oracle released an emergency security alert addressing CVE-2025-61757, a high-severity authentication-bypass flaw that enables remote code execution in the Identity Manager product of Oracle Fusion Middleware versions 12.2.1.4.0 and 14.1.2.1.0. Multiple threat actors a...

How Thales Protects Online Retail Sites from AI-Driven Bots during Holiday Shopping Season

Every November and December, online retailers gear up for their biggest revenue surge of the year. But while the traffic and transactions climb, so does the threat level. Cybercriminals know exactly when customer activity and the pressure on retail systems is at its highest and they’re automating...

Paris, The Thinker, and why your WAF should block XSS by default

With Thales HQ in Paris, it felt right to detour to the Musée Rodin and stand before The Thinker, the bronze giant by Auguste Rodin whose clenched posture and chin-in-hand stance have become a universal symbol of deep judgment. Conceived for The Gates of Hell in 1880 and first cast monumentally i...

Imperva Named a Leader in KuppingerCole’s Leadership Compass 2025 for Web Application and API Protection

In the latest 2025 KuppingerCole Leadership Compass for Web Application and API Protection WAAP, Imperva has once again secured a Leadership position; a testament to our unwavering commitment to protecting the modern digital experience. Why This Report Matters The WAAP market represents the...

A Perfect Storm: DDoS Attack Hits Turkish Luxury Retailer During Fall Collection Launch

When high-stakes events meet unprecedented attack volumes, disruption can be devastating. A Turkish luxury retail platform experienced this firsthand when it was hit with a record-breaking application-layer DDoS attack, peaking at 14.2 million requests per second RPS. This marks the largest DDoS...

CVE-2025-62725: From “docker compose ps” to System Compromise

Docker Compose powers millions of workflows, from CI/CD runners and local development stacks to cloud workspaces and enterprise build pipelines. It’s trusted by developers as the friendly layer above Docker Engine that turns a few YAML lines into a running application. In early October 2025, whil...

CVE-2025-61882: Imperva Customers Protected Against Critical Oracle EBS Zero-Day RCE

TL;DR: In early October 2025, Oracle released an emergency security alert addressing CVE-2025-61882, a high-severity unauthenticated remote code execution RCE vulnerability in the Concurrent Processing / BI Publisher Integration component of Oracle E-Business Suite EBS versions 12.2.3 through...

Rethinking DDoS Defense: Why Scale Isn’t the Only Metric That Matters

In recent months, headlines have drawn attention to record-breaking DDoS attacks, often measured in terabits per second Tbps and accompanied by declarations of network capacity in the hundreds of Tbps. These figures, while impressive, can create a misleading narrative about what truly matters in...

Another Critical RCE Discovered in a Popular MCP Server

Artificial Intelligence development is moving faster than secure coding practices, and attackers are taking notice. Imperva Threat Research recently uncovered and disclosed a critical Remote Code Execution RCE vulnerability CVE-2025-53967 in the Framelink Figma MCP Server. This is just one exampl...

Imperva Enhances Client-Side Protection to Help You Stay Ahead of PCI-DSS Compliance

When the latest PCI DSS 4.0 requirements came into full effect in March 2025, organizations processing cardholder data faced new obligations to protect payment pages from client-side risks. Requirements such as 6.4.3 script inventory, authorization, and integrity monitoring and 11.6.1 detection o...

Securing the Journey: Cybersecurity Challenges in the Tourism Industry

This weekend is World Tourism Day, a celebration of the global travel industry and the cultural, economic, and social connections it fosters. However, as the tourism industry continues to grow and evolve, it faces an increasing array of cybersecurity threats. From data breaches targeting personal...

KuppingerCole 2025: Why Thales is a Market Leader in API Security

APIs are the backbone of modern applications connecting critical microservices and enabling enterprises to turn data into context-aware business logic via AI across their digital services. As applications become more contextual, APIs expose the data, workflows, and model interactions attackers...

The API Battleground: Why APIs are the new frontline—and how to stop the stealthiest attacks

APIs used to be the quiet backstage crew that made apps feel magical. Now attackers have learned the script — they walk onstage, deliver perfectly polite lines, and walk off with the props. In H1 2025 Imperva observed 40,000+ API incidents across 4,000+ monitored environments , including an...

Google Pay, Drug Bots, and SIM Swaps: How Old Leaks and New Vulnerabilities Power Attacks

It starts with something simple: a CAPTCHA box on your screen. You type the number you see, because of course you do. That’s what humans do online. But what if that “CAPTCHA” wasn’t a CAPTCHA at all? In this post, I’ll walk you through how old data leaks, lazy telecom verification, and a...

Operation Eastwood: Measuring the Real Impact on NoName057(16)

Introduction On July 16, 2025, Europol revealed the details of Operation Eastwood, a coordinated international strike against one of the most active pro-Russian cybercrime groups, NoName057016. The announcement promised a major disruption to the group’s activities. In this blog, we explore whethe...

The Hidden Threat: How Sensitive Information Leakage Puts Your Business at Risk

You Don't Know What You Don't Know – And That's the Problem Picture this: Your development team has built a robust e-commerce platform. Your security team has implemented comprehensive protection measures. Your compliance team has checked all the boxes. Yet somewhere in your application stack, fu...

Imperva API Security: Authentication Risk Report—Key Findings & Fixes

An in-depth analysis of common JSON Web Token JWT mistakes, basic auth, long-lived tokens, and quick, high-impact fixes to secure your APIs . Introduction APIs are the backbone of modern digital services—from mobile apps and e-commerce to banking and IoT. That scale and utility also make them pri...

When You’re Always Under #DDoS Attack

We recently mitigated a 1.55 terabit per second Tbps, DDoS attack for a steady customer of ours. This particular customer is a reputable domain name service DNS provider. I’ve personally used them for over a decade to register domains for all the projects I will never complete or, tbh, start. But...

Why Separating Control and Data Planes Matters in Application Security

Modern application environments are dynamic, distributed, and moving faster than ever. DevOps teams deploy new services daily, APIs multiply across regions, and traffic fluctuates by the hour. At the same time, organizations must uphold security, compliance, and availability without slowing...

Critical Flaws in Base44 Exposed Sensitive Data and Allowed Account Takeovers

Our research uncovered multiple critical vulnerabilities in Base44, an AI-powered platform that lets you turn any idea into a fully functional custom app. These flaws ranged from an open redirect that leaked access tokens, to stored cross-site scripting XSS, insecure authentication design,...

Smuggling Requests with Chunked Extensions: A New HTTP Desync Trick

A new HTTP request smuggling technique was recently discovered, where attackers take advantage of inconsistent parsing behaviors between front-end proxy servers and back-end application servers. This attack technique leverages ambiguous request formatting to inject malicious secondary requests th...

QUIC-LEAK (CVE-2025-54939): New High-Risk Pre-Handshake Remote Denial of Service in LSQUIC QUIC Implementation

Imperva Offensive team discovered that threat actors could smuggle malformed packets to exhaust memory and crash QUIC servers even before a connection handshake is established, therefore, bypassing QUIC connection-level safeguards. Executive Summary QUIC-LEAK CVE-2025-54939 is a newly discovered...

MadeYouReset: Turning HTTP/2 Server Against Itself

Introduction HTTP/2 was designed for performance- faster multiplexed connections, stream prioritization, and header compression. But these same features have also opened the door for sophisticated denial-of-service attacks. Back in 2023, the HTTP/2 Rapid Reset vulnerability made headlines after...

Navigating the API Security Landscape: Your Definitive API Security Buyer’s Guide for 2025

APIs power today’s digital economy—connecting customers, partners, and internal services at breakneck speed. But with that agility comes risk: in 2024 alone, API vulnerabilities cost organizations a staggering$2.5 billion in remediation, fines, and lost revenue. As APIs proliferate, traditional...

Imperva Detects and Mitigates Rejetto HFS Spray-and-Pray Ransomware/Trojan Campaign

On July 19th, Imperva Threat Research team detected a sudden surge in HTTP probes targeting Rejetto HTTP File Server HFS 2.x instances. What looked like routine internet noise quickly revealed itself as a coordinated attempt to exploit a critical unauthenticated server-side template injection...

How to Eliminate Deployment Bottlenecks Without Sacrificing Application Security

Today, organizations increasingly rely on DevOps to accelerate software delivery, improve operational efficiency, and enhance business performance. According to RedGate, 74% have adopted DevOps, and according to Harvard Business Review Analytics, 77% of organizations currently depend on DevOps to...

Introducing DataTrap: A Smarter, More Adaptive Honeypot Framework

Today, we're excited to release DataTrap, a powerful, extensible honeypot system built to simulate realistic web applications, IoT devices, and database behavior across HTTP, HTTPS, SSH, and database protocols e.g., MySQL. What sets DataTrap apart? It goes beyond static honeypots by combining...

Surges in Cyber Activity Accompany Regional Military Operations

Geopolitical events and military operations often trigger a cascade of online activity, both legitimate and malicious. Recent data from our global threat network highlights the strong connection between military escalations and cyberattacks, with the latest example unfolding in the Middle East...

Imperva Customers Protected Against Critical “ToolShell” Zero‑Day in Microsoft SharePoint

A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, is under active exploitation in the wild. The vulnerability, with a CVSS score of 9.8, impacts on-premises SharePoint Server 2016, 2019, and Subscription Edition, and allows unauthenticated remote code execution...

From Cloudflare Bypass to Credit Card Theft

Introduction On July 6, 2025, a suspicious Python package called 'cloudscrapersafe' was uploaded to the Python Package Index PyPI. Marketed as a utility to evade Cloudflare’s anti-bot protections, this package was a modified version of a widely used 'cloudscraper' library, which is used to automa...

CVE-2025-5777 Exposes Citrix NetScaler to Dangerous Memory Leak Attacks

The cybersecurity community is once again sounding the alarm over a new vulnerability in Citrix NetScaler devices- this time, it’s CVE-2025-5777 , also dubbed CitrixBleed 2. Following in the footsteps of the high-profile CitrixBleed vulnerability CVE-2023-4966 disclosed in 2023, this newly...

Behind the Booking: How Bots Are Undermining Airline Revenue

The airline industry is under constant attack from malicious bots. Bad actors use automation to scrape fares, hoard inventory, commit fraud, and compromise customer accounts. While every airline faces its own unique challenges, the business impacts are remarkably consistent—lost revenue, inflated...

Hijacking Ollama’s Signed Installer for Code Execution

This blog post is part of an ongoing series exploring how AI related tools aimed at developers can be exploited to compromise their machines. As these tools increasingly integrate deep system access, they also expand the attack surface available to threat actors. In our first post, we outlined a...

Bridging the Security Knowledge Gap: Introducing AI ExplAIn for Imperva Cloud WAF

The challenge of maintaining robust web application security often comes down to communication. Security teams frequently spend countless hours explaining WAF blocking decisions to application developers who may lack security expertise. This communication gap not only creates friction between tea...

Elastic WAF: Reshaping Application Security for DevOps and Hybrid Environments

We recently discussed Imperva’s vision for the future of application security, where we also covered the Imperva Security Engine. This innovative application security framework is powering up the next generation of Imperva solutions, the first of which is Imperva Elastic WAF. This blog is the fir...

The Rise of Agentic AI: Uncovering Security Risks in AI Web Agents

In our first post, we introduced the world of AI web agents - defining what they are, outlining their core capabilities, and surveying the leading frameworks that make them possible. Now, we’re shifting gears to look at the other side of the coin: the vulnerabilities and attack surfaces that aris...

The Rise of Agentic AI: From Chatbots to Web Agents

Disclaimer: This post isn’t our usual security-focused content – today we’re taking a quick detour to explore the fascinating world of AI agents with the focus of AI web agents. Enjoy this educational dive as a warm-up before we get into the juicy details of AI web agents in our follow-up post...

Closing the Loop on API Security: How Imperva Helps You Expose, Contain, and Mitigate Business Logic Threats

In a world powered by APIs, waiting for an attack is waiting too long. Business logic risks like Broken Object Level Authorization BOLA don’t announce themselves with obvious signatures or malware. They hide in plain sight within normal-looking traffic and by the time a BOLA exploit turns into a...

CVE-2025-49763 – Remote DoS via Memory Exhaustion in Apache Traffic Server via ESI Plugin

Remote attackers can trigger an avalanche of internal ESI requests, exhausting memory and causing denial-of-service in Apache Traffic Server. Executive Summary Imperva’s Offensive Security Team discovered CVE-2025-49763, a high-severity vulnerability CVSS v3.1 estimated score: 7.5 in Apache Traff...

Discover First, Defend Fully: The Essential First Step on Your API Security Journey

APIs power today’s digital economy, but their lightning-fast evolution and astronomical call volumes can leave security teams scrambling to keep up. How can you secure what you can’t yet see or quantify? Imperva’s Unlimited Discovery-Only capability for the Cloud WAF CWAF add-On delivers...

Evaluating the Security Efficacy of Web Application Firewalls (WAFs)

Web Application Firewalls WAFs are now a staple in defending web-facing applications and APIs, acting as specialized filters to block malicious traffic before it ever reaches your systems. But simply deploying a WAF isn’t enough, the real challenge is knowing whether it works when it matters most...

Beware! A threat actor could steal the titles of your private (and draft) WordPress posts with this new vulnerability!

As of today, almost a billion sites have been built using WordPress, powering businesses and organizations of all sizes. That makes any newly discovered vulnerability especially concerning—like the one recently found and reported by Imperva researchers, which could affect any WordPress site. In...

Early 2025 DDoS Attacks Signal a Dangerous Trend in Cybersecurity

As we enter 2025, the threat landscape continues to evolve, with Distributed Denial of Service DDoS attacks growing in both scale and sophistication. So far this year, we’ve already seen several major DDoS attacks over 5 million Requests Per Second RPS, signaling a concerning trend for...

Redefining Application Security: Imperva’s Vision for the Future

It’s no secret that web applications have undergone a significant transformation over the past few years. The widespread adoption of containerization, serverless computing, low-code development, APIs, and microservices has redefined how applications are built, deployed, and scaled. According to...