this post was submitted on 02 Feb 2026
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How would n++ devs know?
Expanding on this: the exploit was against their domain name, redirecting selected update requests away from the notepad++ servers. The software itself didn't validate that the domain actually points to notepad++ servers, and the notepad++ update servers would not see any information that would tell them what was happening.
Likely they picked some specific developers with a known public IP, and only used this to inject those specific people with malware.
So the solution would have been an SSL certificate check on the client side.
That's what they say they rolled out, after: "Within Notepad++ itself, WinGup (the updater) was enhanced in v8.8.9 to verify both the certificate and the signature of the downloaded installer"