OpenSSH Woes: Critical Flaws Turn Remote Login into a Comedy of Errors
Qualys TRU uncovers two critical OpenSSH vulnerabilities: CVE-2025-26465 invites machine-in-the-middle attacks, while CVE-2025-26466 enables denial-of-service horrors. Upgrade to version 9.9p2 now, because nothing screams “I love my data” like a good security update!

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Hot Take:
Looks like OpenSSH can’t catch a break! Just when you thought it was safe to remote into your servers, Qualys TRU drops these two bombshells. It’s a hacker’s dream come true, but a sysadmin’s worst nightmare. Time to patch up, folks, before your data takes a detour to places unknown!
Key Points:
- Two critical vulnerabilities found in OpenSSH: CVE-2025-26465 and CVE-2025-26466.
- CVE-2025-26465 allows machine-in-the-middle (MITM) attacks on OpenSSH clients.
- CVE-2025-26466 opens the door for denial-of-service (DoS) attacks affecting both client and server.
- Vulnerabilities affect OpenSSH versions up to 9.9p1; update to 9.9p2 to patch them.
- Qualys TRU responsibly disclosed the flaws, and OpenSSH provided a quick fix.
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