CVE Catalog

CVE-2026-90623

LowCVSS 3.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.26%

18th percentile - higher than 18% of all known CVEs

Summary

A weakness has been identified in cochise up to 0.4.1, affecting the asyncssh.connect function in src/cochise/ssh_connection.py related to SSH Host Key Handler. Manipulation can lead to improper certificate validation. The attack may be launched remotely, requires high complexity, and is difficult to exploit, but the exploit is publicly available.

Risk Assessment

Organizations using cochise are exposed to attacks exploiting improper certificate validation, potentially compromising SSH connection security.

Recommendation

Update cochise to a version later than 0.4.1 if available, or apply mitigations until a fix is released.

Related vulnerabilities

Original NVD description (English source)

A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/ssh_connection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper certificate validation. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is told to be difficult. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS