It still happens in Fable 5.1 and Opus 5.5 (see below https://news.ycombinator.com/item?id=50158602). The irony is Fable 5.1 can detect many of the security issues Opus 5.5 creates, but when you tell Fable to fix them, it trips the security guardrails and refuses to do so.
You need to provide some more details about your context; going through one of your bug reports the details you provided are severely lacking.
This feels very much like FUD without you putting some details on the table.