Description
Mongoose Web Server 6.9 contains a denial of service vulnerability that allows remote attackers to crash the service by establishing multiple socket connections. Attackers can repeatedly create connections to the default port and send malformed data to exhaust server resources and cause service unavailability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Cesanta | Mongoose Web Server | 6.9 | — |
Advisories 1
- PPSA-2026-002 Pilz: Vulnerability affecting PASvisu Runtime CERT@VDE · Apr 23, 2026
References
- ExploitDB-45819 exploit
- VulnCheck Advisory: Mongoose Web Server 6.9 Denial of Service via Socket Connection third-party-advisory