SolarWinds Strikes Again: Critical Vulnerabilities Patched, But Are We Safe Yet?
SolarWinds has released patches for three critical vulnerabilities in its Serv-U file transfer solution. These flaws, which can allow code execution, are a hacker’s equivalent of finding a free dessert buffet. Users should update to version 15.5.3 to keep cybercriminals from feasting on their data.

Hot Take:
SolarWinds is patching up more holes than a cat in a room full of laser pointers! With three new critical vulnerabilities found in its Serv-U enterprise file transfer solution, it looks like SolarWinds has been busy sweeping up its security faux pas. Who knew their software had more openings than a waffle iron? Time to close up shop and get those patches applied, stat!
Key Points:
- SolarWinds releases patches for three critical vulnerabilities in Serv-U.
- CVE-2025-40549, a path restriction bypass, is labeled medium severity on Windows.
- CVE-2025-40548 and CVE-2025-40547 involve broken access control and logic error vulnerabilities.
- Patches released for additional medium-severity issues in Observability Self-Hosted.
- CISA’s KEV catalog includes several SolarWinds vulnerabilities.
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