Deserialization Vulnerability in GoAnywhere MFT's License Servlet
Priority CRITICAL 100Exploited in the wildCWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2025-09-29CISA due date 2025-10-20Known ransomware use
EPSS 0.99823 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2025-09-29 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2025-10035
- 2026-10-03 Alias added: GHSA-fcfw-g3g2-2588
References
More Fortra Goanywhere Managed File Transfer vulnerabilities
- TI-2024-00185 Authentication Bypass in GoAnywhere MFT CVSS 3.1CRITICAL 9.8
- TI-2023-00634 Fortra GoAnywhere MFT License Response Servlet Command Injection KEVCVSS 3.1HIGH 7.2
- TI-2025-13122 GoAnywhere MFT SFTP Service Login Vulnerable to Brute Force Attack Under Certain Circumstances CVSS 3.1HIGH 7.3
- TI-2026-00820 User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allows Arbitrary DNS Lookups CVSS 3.1MEDIUM 6.5
- TI-2024-16608 Authentication bypass in GoAnywhere MFT prior to 7.6.0 CVSS 3.1MEDIUM 6.5
- TI-2026-00737 HTML Injection possible in system generated emails in Fortra's GoAnywhere MFT CVSS 3.1MEDIUM 5.4
Sources
- CVE-2025-10035 · CVE Program
- CVE-2025-10035 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-fcfw-g3g2-2588 · GitHub Advisory Database · CC BY 4.0
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