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

Vulnerability Name

Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

KNOWN

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.

Additional Notes

• https://www.fortra.com/security/advisories/product-security/fi-2025-012
• https://nvd.nist.gov/vuln/detail/CVE-2025-10035

Related News Articles

• China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa RansomwareApril 7, 2026
• Microsoft links Medusa ransomware affiliate to zero-day attacksApril 6, 2026
• From Detection to Patch: Fortra Reveals Full Timeline of CVE-2025-10035 ExploitationOctober 10, 2025
• Microsoft Links Storm-1175 to GoAnywhere Exploit Deploying Medusa RansomwareOctober 7, 2025
• Microsoft: Critical GoAnywhere bug exploited in ransomware attacksOctober 6, 2025

Related Weaknesses

• CWE-502
• CWE-77