Thank you for doing this instead of just vagueposting and wasting everyone’s time.
> My life as a mercenary sysadmin can be interesting.
To me this reads as "I was hired as a consutant for something that required a very restrictive NDA."
Turned out the bug was a 2.9 CVE nothingburger. It’s not like they found the FSB/Mossad/NSA had hooks in a remotely exploitable root level process.