CVE-2025-10035 Fortra GoAnywhere MFT Deserialization of Untrusted Data

Exploited in the wild Critical 10.0 Published Updated

An attacker with a forged license signature can trigger deserialization in GoAnywhere MFT, potentially leading to remote code execution.

Exploited in the wild
Since 29 Sep 2025
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-10035?

CVE-2025-10035 is a critical unsafe deserialization vulnerability in Fortra GoAnywhere MFT, published on 18 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.

Weakness: CWE-77, CWE-502

Which versions are affected by CVE-2025-10035?

It affects 1 product.

Products include Fortra Goanywhere Managed File Transfer.

How do I fix CVE-2025-10035?

No fix has been published for CVE-2025-10035 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 20 Oct 2025.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-10035 being exploited?

Yes. Attackers have exploited CVE-2025-10035 in the wild since at least 29 Sep 2025, including in ransomware campaigns.

Public exploit code: 1 Nuclei template and 5 proofs of concept on GitHub.

Sources

Also known as GHSA-fcfw-g3g2-2588.

Is CVE-2025-10035 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free