CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.1. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
remote code execution code execution
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-55200
Severity
HIGH
CVSS
8.1
EPSS
2.03%
Original NVD Description
libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.
Related CVEs
Other vulnerabilities affecting the same vendor(s)