FoxIO Discloses TLS Flaws in GoAhead Web Server

# FoxIO Discloses TLS Flaws in GoAhead Web Server

https://gcdradar.vercel.app/incidents/foxio-discloses-tls-flaws-in-goahead-web-server · AIR-2026-1618 · closed 2026-11-11

- Lane: Research
- Severity: 1 (Research / proof of concept): Disclosed research findings with no known real-world exploitation.
- Fix status: Fix status unknown
- First reported: 2026-10-28
- AI role: No AI role
- Products: GoAhead Web Server

## Summary

FoxIO uncovered three TLS vulnerabilities in the GoAhead Web Server that bypass revoked certificate checks or expose encrypted sessions to eavesdropping. The affected server is deployed across hundreds of millions of embedded devices.

## What to do

Check for vendor advisories and updates for GoAhead Web Server.

## Latest updates

- 2026-10-28: TLS Flaws Found in GoAhead Web Server Used in Hundreds of Millions of Devices (https://securityweek.com/tls-flaws-found-in-goahead-web-server-used-in-hundreds-of-millions-of-devices)

## Sources

- 2026-10-28 SecurityWeek: TLS Flaws Found in GoAhead Web Server Used in Hundreds of Millions of Devices https://securityweek.com/tls-flaws-found-in-goahead-web-server-used-in-hundreds-of-millions-of-devices

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.