Follow ZDNET: Add us as a preferred source on Google. Recently, there was some great news about AI and open source: Anthropic's Claude Opus 4.6 AI is helping clean up Firefox's open-source code. According to Mozilla, the parent company of Firefox, Anthropic's Frontier Red Team found more high-severity bugs in Firefox in just two weeks than people typically report in two months. Mozilla proclaimed: "This is clear evidence that large-scale, AI-assisted analysis is a powerful new addition in security engineers' toolbox." Also: AI is getting scary good at finding hidden software bugs - even in decades-old code That's great, right? Right!? Well, not so fast. There's another darker side to the use of AI in open-source software. Daniel Stenberg, creator of the popular open-source data transfer program cURL, has pointed out that his project has been flooded with bogus, AI‑written security reports that drown maintainers in pointless busywork. Mozilla knows about this issue.…