Notepad++ Suffered Supply Chain Attack, Developers Confirm
On February 2, 2026, the developers of Notepad++, a popular text editor among developers, announced that their update infrastructure had been compromised. According to a statement released by the developers and reported by Hacker News, the breach stemmed from a hosting provider level incident that occurred between June and September 2025, though attackers maintained access to internal services until December 2025.
The attack involved multiple execution chains and payloads, discovered by researchers who checked telemetry related to the incident, according to Hacker News. The initial compromise occurred in late July and early August 2025, with subsequent chains observed in mid-to-late September and October of the same year. Attackers also returned to chain 2 in October 2025, modifying URLs used in the attack.
The announcement followed a separate development in the tech world, where Vercel, a cloud platform for frontend developers, rebuilt its v0 service to better connect AI-generated code to existing production infrastructure. The original v0, launched in 2024, aimed to help developers create user interface (UI) scaffolding, but the code was often disposable and required rewrites to get prototypes into production, according to VentureBeat. "More than 4 million people have used v0 to build millions of prototypes, but the platform was missing elements required to get into production," VentureBeat reported. Sean Michael Kerner of VentureBeat noted that the challenge of bridging the gap between AI-generated prototypes and production-ready code is a familiar one with "vibe coding tools."
The Notepad++ incident highlights the increasing sophistication and persistence of supply chain attacks, while Vercel's v0 update reflects the ongoing effort to integrate AI more effectively into software development workflows.
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