CVE-2026-55200

🚨 CVE-2026-55200 - Critical libssh2 Out-of-Bounds Write Vulnerability 📌 Overview CVE-2026-55200 is a critical memory corruption vulnerability affecting the widely deployed libssh2 library. The flaw arises from improper validation of the SSH packet length field during packet processing, potentiall...

swift-nio-ssh

SwiftNIO SSH This project contains SSH support using SwiftNIO. What is SwiftNIO SSH? SwiftNIO SSH is a programmatic implementation of SSH: that is, it is a collection of APIs that allow programmers to implement SSH-speaking endpoints. Critically, this means it is more like libssh2 than openssh...

Libssh2-Exploit

Libssh2-Exploit Goals In this project, we aim to create an exploit to an out of bounds read vulnerabulity in libssh2 described in CVE-2019-13115. Create a malicious ssh server to cause a client connecting to it to crash and see if this can be exploited further to steal data from the client. Getti...

Exploitarium-Detections

Exploitarium KQL Detection Coverage KQL detection rules for Microsoft Sentinel and Defender XDR covering the bikini/exploitarium anonymous disclosure — a personal research archive of 15+ distinct vulnerability targets across 109+ tracked files, released without vendor notification on June 23, 202...

CVE-2026-55200

CVE-2026-55200 - Critical libssh2 Remote Code Execution Vulnerability Critical Pre-Authentication Memory Corruption Vulnerability in libssh2 Overview Field| Detail ---|--- CVE| CVE-2026-55200 CVSS| 9.2 Critical Type| Out-of-Bounds Write Component| libssh2 Affected Versions| = 1.11.1 Attack Vector...

libssh2-Exploit

libssh2-Exploit Create an exploit to libssh2 vulnerabulity described in CVE-2019-13115 Goals 1. Establish an openssh server. // Complete by Oct 20 2. Create a libssh2 cpp client and establish connectivity to server. // Complete by Oct 20 3. Modify the server to trigger a crash in client. //...

ROOT-OS-DEBIAN-11-CVE-2026-55200 CVE-2026-55200 in libssh2 - Patched by Root

Root has patched CVE-2026-55200 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-7598 CVE-2026-7598 in libssh2 - Patched by Root

Root has patched CVE-2026-7598 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-55199 CVE-2026-55199 in libssh2 - Patched by Root

Root has patched CVE-2026-55199 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-58050 CVE-2026-58050 in libssh2 - Patched by Root

Root has patched CVE-2026-58050 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-58051 CVE-2026-58051 in libssh2 - Patched by Root

Root has patched CVE-2026-58051 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66034 CVE-2026-66034 in libssh2 - Patched by Root

Root has patched CVE-2026-66034 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66032 CVE-2026-66032 in libssh2 - Patched by Root

Root has patched CVE-2026-66032 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2025-15661 CVE-2025-15661 in libssh2 - Patched by Root

Root has patched CVE-2025-15661 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66035 CVE-2026-66035 in libssh2 - Patched by Root

Root has patched CVE-2026-66035 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

Important: curl

Issue Overview: When libcurl uses libssh2 with a hashed knownhosts file, an unrelated initial entry can cause host key validation to report a key mismatch as a missing key to the CURLOPTSSHKEYFUNCTION callback. CVE-2026-87865 Affected Packages: curl Note: This advisory is applicable to Amazon Lin...

CVE-2026-55200

Security Report: CVE-2026-55200 📝 General Description CVE-2026-55200 is a critical heap-based buffer overflow vulnerability dynamic memory corruption affecting the libssh2 library in versions up to 1.11.1. It allows a malicious SSH server to compromise vulnerable clients that connect to it. ⚡...

Photon OS 5.0: Libssh2 PHSA-2026-5.0-92-0985

An update of the libssh2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-92-0985. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Libssh2 PHSA-2026-5.0-91-0985

An update of the libssh2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-91-0985. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...