Fastjson 1.x Remote Code Execution Flaw Exploited With No Patch Available
There is no patch. That is the first thing to understand about the remote code execution vulnerability currently being exploited in Fastjson
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Updated daily · last update July 28, 2026
This isn't a content mill. The threats we summarise here are the ones our Sweden-based analysts watch for across client environments, around the clock. When something breaks, our customers hear it from us first.
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