Published on: 26 June 2026
Libssh2 has released a security update to address a vulnerability in Libssh2 product. For information about the vulnerability and the attacking vectors, please refer to the corresponding security advisory at the vendor's website.
Reports indicate that proof-of-concept (PoC) exploit code is available for a remote code execution vulnerability (CVE-2026-55200) and it is at high risk of exploitation. System administrators are advised to take immediate action to patch affected systems to mitigate the elevated risk of cyber attacks.
For detailed information of the affected systems, please refer to the corresponding security advisories at vendor's website.
Successful exploitation of the vulnerability could lead to remote code execution and denial of service on an affected system.
Patch for affected systems is now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.
System administrators should contact their product support vendors for the fixes and assistance.