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2 vulnerabilities by andreashappe
CVE-2026-90623 (GCVE-0-2026-90623)
Vulnerability from nvd – Published: 2026-09-14 03:45 – Updated: 2026-09-14 03:45
VLAI
EPSS
VEX
Title
andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation
Summary
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.
Severity
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403205 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403205/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90623 | third-party-advisory |
| https://vuldb.com/submit/914815 | third-party-advisory |
| https://github.com/andreashappe/cochise/issues/13 | exploitissue-tracking |
| https://github.com/andreashappe/cochise/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| andreashappe | cochise |
Affected:
0.4.0
Affected: 0.4.1 cpe:2.3:a:andreashappe:cochise:*:*:*:*:*:*:*:* |
{
"containers": {
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"affected": [
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],
"modules": [
"SSH Host Key Handler"
],
"product": "cochise",
"vendor": "andreashappe",
"versions": [
{
"status": "affected",
"version": "0.4.0"
},
{
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"version": "0.4.1"
}
]
}
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"credits": [
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}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "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",
"version": "4.0"
}
},
{
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"baseScore": 3.7,
"baseSeverity": "LOW",
"vectorString": "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",
"version": "3.1"
}
},
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"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 2.6,
"vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-295",
"description": "Improper Certificate Validation",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"references": [
{
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"url": "https://vuldb.com/vuln/403205"
},
{
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"permissions-required"
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"url": "https://vuldb.com/vuln/403205/cti"
},
{
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"tags": [
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"url": "https://vuldb.com/cve/CVE-2026-90623"
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{
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"timeline": [
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"time": "2026-09-12T00:00:00.000Z",
"value": "Advisory disclosed"
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"time": "2026-09-12T02:00:00.000Z",
"value": "VulDB entry created"
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"time": "2026-09-12T22:35:26.000Z",
"value": "VulDB entry last update"
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"title": "andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation",
"x_generator": [
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"cveMetadata": {
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"cveId": "CVE-2026-90623",
"datePublished": "2026-09-14T03:45:13.120Z",
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"state": "PUBLISHED"
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CVE-2026-90623 (GCVE-0-2026-90623)
Vulnerability from cvelistv5 – Published: 2026-09-14 03:45 – Updated: 2026-09-14 03:45
VLAI
EPSS
VEX
Title
andreashappe cochise SSH Host Key ssh_connection.py asyncssh.connect certificate validation
Summary
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.
Severity
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403205 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403205/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90623 | third-party-advisory |
| https://vuldb.com/submit/914815 | third-party-advisory |
| https://github.com/andreashappe/cochise/issues/13 | exploitissue-tracking |
| https://github.com/andreashappe/cochise/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| andreashappe | cochise |
Affected:
0.4.0
Affected: 0.4.1 cpe:2.3:a:andreashappe:cochise:*:*:*:*:*:*:*:* |
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:andreashappe:cochise:*:*:*:*:*:*:*:*"
],
"modules": [
"SSH Host Key Handler"
],
"product": "cochise",
"vendor": "andreashappe",
"versions": [
{
"status": "affected",
"version": "0.4.0"
},
{
"status": "affected",
"version": "0.4.1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "ez-lbz (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "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": [
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"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "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",
"version": "4.0"
}
},
{
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"baseScore": 3.7,
"baseSeverity": "LOW",
"vectorString": "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",
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},
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"version": "3.0"
}
},
{
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"baseScore": 2.6,
"vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
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}
],
"problemTypes": [
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"descriptions": [
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"description": "Improper Certificate Validation",
"lang": "en",
"type": "CWE"
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},
{
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{
"cweId": "CWE-287",
"description": "Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"tags": [
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},
{
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"tags": [
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"permissions-required"
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