CVE-2025-14821
A flaw was found in libssh.
Published Apr 7, 2026 · updated Oct 14, 2026 · libssh libssh
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration files from the C:\etc directory, which can be created and modified by unprivileged local users.
Timeline
Detection, updates, and resolution for this record.
Apr 7, 2026 · NIST NVD
Detected
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration fil
Oct 14, 2026 · NIST NVD
Updated
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration fil
Affected
- cpe libssh/libsshversion unspecified
- cpe redhat/hardened imagesversion unspecified
Sources
- CVE.orgCVE-2025-14821
Official CVE identifier
cve.org - NIST NVDCVE-2025-14821
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communi
nvd.nist.gov