CVE-2026-90623: medium-severity vulnerability in andreashappe cochise
andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation
Published
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
andreashappe · cochisepublic PoCs found — 1
cve_referencegithub.com/andreashappe/cochise/issues/13unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.