CVE-2026-90623

LOW 3.7

andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-295 CWE-287
Vendor	andreashappe
Product	cochise
Published	Sep 14, 2026
Last Updated	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

andreashappe / cochise

0.4.0 0.4.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403205 vuldb.com: https://vuldb.com/vuln/403205/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90623 vuldb.com: https://vuldb.com/submit/914815 github.com: https://github.com/andreashappe/cochise/issues/13 github.com: https://github.com/andreashappe/cochise/

Credits

🔍 ez-lbz (VulDB User) VulDB CNA Team