CVE-2026-90623 PUBLISHED

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

Assigner: VulDB
Reserved: 12.09.2026 Published: 14.09.2026 Updated: 14.09.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 6.3

Product Status

Vendor andreashappe
Product cochise
Versions
  • Version 0.4.0 is affected
  • Version 0.4.1 is affected

Credits

  • ez-lbz (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Improper Certificate Validation CWE
  • Improper Authentication CWE