• Vulnerability/
  • https://reddit.com/r/cybersecurity/comments/1uwwrla/fortisandbox_cve202659835_exposes_sandbox_vnc/

https://reddit.com/r/cybersecurity/comments/1uwwrla/fortisandbox_cve202659835_exposes_sandbox_vnc/: FortiSandbox CVE-2026-59835 exposes sandbox VNC sessions without authentication

Published Jul 15, 2026
·
Updated

Affected Software

2 affected components
Fortinet FortiSandbox>=5.0.0<=5.0.2
Fortinet FortiSandbox>=4.4.3<=4.4.8
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-59835?

CVE-2026-59835 is considered a critical vulnerability due to the exposure of VNC sessions without authentication.

2

Which versions of FortiSandbox are affected by CVE-2026-59835?

CVE-2026-59835 affects FortiSandbox versions 5.0.0 to 5.0.2 and 4.4.3 to 4.4.8.

3

How do I fix CVE-2026-59835?

To fix CVE-2026-59835, upgrade to the latest FortiSandbox version provided by Fortinet that addresses this vulnerability.

4

What are the risks associated with CVE-2026-59835?

The risks associated with CVE-2026-59835 include unauthorized access to VNC sessions, leading to potentially compromising sensitive information from live malware analysis.

5

Is authentication required for VNC access as per CVE-2026-59835?

No, authentication is not required for VNC access in CVE-2026-59835, which increases the vulnerability to exploitation.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203