Cybersecurity Chaos: Fortra GoAnywhere Flaw Exploited Before Public Disclosure!

Fortra GoAnywhere MFT users, brace yourselves! A cybersecurity thriller has kicked off with CVE-2025-10035, the deserialization vulnerability that’s been exploited in the wild since September 10, 2025. Hackers are having a field day, so patch that software faster than you can say “command injection”!

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Hot Take:

Well, it seems like the Fortra GoAnywhere Managed File Transfer (MFT) software decided to take its vulnerability on a world tour without telling anyone first. It’s like a rock band that starts playing gigs a week before announcing the tour dates. Talk about a surprise performance nobody wanted! Looks like cybersecurity practitioners will have to play catch-up, but hey, at least they know where to start looking for the bandits: the License Servlet. Encore, anyone?

Key Points:

  • watchTowr Labs disclosed active exploitation of a Fortra vulnerability a week before it was publicly known.
  • The vulnerability, CVE-2025-10035, involves a deserialization flaw in the License Servlet.
  • Rapid7 notes it’s part of a chain: access control bypass, unsafe deserialization, and an unknown private key issue.
  • Exploitation involves creating backdoor accounts and uploading malicious payloads.
  • Threat actor activity traced to an IP known for brute-force attacks on Fortinet FortiGate appliances.

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