known ransomware use

Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability

Added to KEV
2025-09-29
Federal due date
2025-10-20
Vendor
Fortra
Product
GoAnywhere MFT
EPSS
98.4th percentile (score 0.622, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2025-10035

CISA short description

Fortra GoAnywhere MFT contains a deserialization of untrusted data vulnerability allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.