CVE-2026-90623

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Source
https://cve.org/CVERecord?id=CVE-2026-90623
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90623.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90623
Published
2026-09-14T03:45:13Z
Modified
2026-09-16T03:30:49Z
Severity
  • 2.9 (Low) CVSS_V4 - 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 Calculator
Summary
andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation
Details

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.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-287",
        "CWE-295"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90623.json"
}
References

Affected packages

Git / github.com/andreashappe/cochise

Affected ranges

Type
GIT
Repo
https://github.com/andreashappe/cochise
Events
Introduced
79a4f113f48414c25f57912a7b1dcbf32dbc5664
Last Affected
3abdb11f577dbdc8c4cf219c1b289d8c858f2877
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0.4.0"
        },
        {
            "last_affected": "0.4.0"
        },
        {
            "introduced": "0.4.1"
        },
        {
            "last_affected": "0.4.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

0.*
0.4.0
0.4.1
v0.*
v0.4.0
v0.4.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90623.json"