📦 Mongoose

by Cesanta

🔍 What is Mongoose?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2022-25299

CRITICAL CVSS 9.8 Feb 18, 2022

CVE-2022-25299 is a path traversal vulnerability in the cesanta/mongoose library's mg_http_upload() function that allows attackers to write files outside the intended upload directory by manipulating ...

CVE-2021-26528

CRITICAL CVSS 9.1 Feb 8, 2021

CVE-2021-26528 is a critical out-of-bounds write vulnerability in Cesanta Mongoose HTTP server version 7.0. Attackers can remotely exploit this by sending connection requests that exhaust the memory p...

CVE-2021-26530

CRITICAL CVSS 9.1 Feb 8, 2021

CVE-2021-26530 is a critical out-of-bounds write vulnerability in Cesanta Mongoose HTTPS server when compiled with OpenSSL support. Attackers can remotely execute arbitrary code or crash the server by...

CVE-2025-51495

HIGH CVSS 7.5 Sep 29, 2025

An integer overflow vulnerability in Mongoose's WebSocket component (versions 7.5 through 7.17) allows attackers to crash applications via specially crafted WebSocket requests. If downstream vendors i...

CVE-2024-42386

HIGH CVSS 8.2 Nov 18, 2024

This vulnerability in Cesanta Mongoose Web Server allows attackers to cause a segmentation fault by sending specially crafted TLS packets. It affects all systems running vulnerable versions of Mongoos...

CVE-2024-42384

HIGH CVSS 7.5 Nov 18, 2024

An integer overflow vulnerability in Cesanta Mongoose Web Server v7.14 allows attackers to crash the server by sending specially crafted TLS packets. This affects all deployments using the vulnerable ...

CVE-2025-65502

MEDIUM CVSS 4.3 Nov 24, 2025

A null pointer dereference vulnerability in Cesanta Mongoose's add_ca_certs() function allows remote attackers to cause denial of service by triggering TLS initialization when SSL_CTX_get_cert_store()...

CVE-2024-42390

MEDIUM CVSS 4.3 Nov 18, 2024

This vulnerability in Cesanta Mongoose Web Server v7.14 allows attackers to send specially crafted TLS packets that cause the server to read memory outside intended heap boundaries. This could potenti...

CVE-2024-42392

MEDIUM CVSS 4.0 Nov 18, 2024

This vulnerability in Cesanta Mongoose Web Server v7.14 allows attackers to trigger an infinite loop by sending input with unexpected characters. This can cause denial of service by consuming server r...

CVE-2024-42388

MEDIUM CVSS 5.3 Nov 18, 2024

This vulnerability in Cesanta Mongoose Web Server allows attackers to send specially crafted TLS packets that cause the server to read memory outside intended heap boundaries. This affects all systems...

CVE-2024-42383

MEDIUM CVSS 4.2 Nov 18, 2024

This vulnerability in Cesanta Mongoose Web Server v7.14 allows attackers to write a NULL byte beyond the allocated memory for hostname fields. This could potentially lead to memory corruption and appl...

CVE-2026-2968

LOW CVSS 3.7 Feb 23, 2026

This vulnerability in Cesanta Mongoose allows attackers to bypass cryptographic signature verification in the ChaCha20-Poly1305 decryption function. Attackers could potentially decrypt or tamper with ...