CVE-2026-7722
Full vulnerability record from the local CVENow database.
Description
A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
MEDIUM
CVSS score
5.5
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-05-04 03:16:12.967000
Last modified
2026-10-26 19:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-7722",
"sourceIdentifier": "[email protected]",
"published": "2026-05-04T03:16:12.967",
"lastModified": "2026-10-26T19:10:00.163",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
},
{
"lang": "es",
"value": "Se detectó una vulnerabilidad en PrefectHQ prefect hasta la versión 3.6.21. Esto afecta a la función endswith del archivo /api/health del componente Health Check API. Realizar una manipulación resulta en una autenticación incorrecta. El ataque puede llevarse a cabo de forma remota. El exploit ya es público y puede ser utilizado. Actualizar a la versión 3.6.22 solucionará este problema. Se recomienda actualizar el componente afectado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "PrefectHQ",
"product": "prefect",
"cpes": [
"cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*"
],
"modules": [
"Health Check API"
],
"versions": [
{
"version": "3.6.0",
"status": "affected"
},
{
"version": "3.6.1",
"status": "affected"
},
{
"version": "3.6.2",
"status": "affected"
},
{
"version": "3.6.3",
"status": "affected"
},
{
"version": "3.6.4",
"status": "affected"
},
{
"version": "3.6.5",
"status": "affected"
},
{
"version": "3.6.6",
"status": "affected"
},
{
"version": "3.6.7",
"status": "affected"
},
{
"version": "3.6.8",
"status": "affected"
},
{
"version": "3.6.9",
"status": "affected"
},
{
"version": "3.6.10",
"status": "affected"
},
{
"version": "3.6.11",
"status": "affected"
},
{
"version": "3.6.12",
"status": "affected"
},
{
"version": "3.6.13",
"status": "affected"
},
{
"version": "3.6.14",
"status": "affected"
},
{
"version": "3.6.15",
"status": "affected"
},
{
"version": "3.6.16",
"status": "affected"
},
{
"version": "3.6.17",
"status": "affected"
},
{
"version": "3.6.18",
"status": "affected"
},
{
"version": "3.6.19",
"status": "affected"
},
{
"version": "3.6.20",
"status": "affected"
},
{
"version": "3.6.21",
"status": "affected"
},
{
"version": "3.6.22",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"baseScore": 5.0,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-04T12:56:10.889706Z",
"id": "CVE-2026-7722",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"references": [
{
"url": "https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04",
"source": "[email protected]"
},
{
"url": "https://github.com/PrefectHQ/prefect/",
"source": "[email protected]"
},
{
"url": "https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79",
"source": "[email protected]"
},
{
"url": "https://github.com/PrefectHQ/prefect/pull/21063",
"source": "[email protected]"
},
{
"url": "https://github.com/PrefectHQ/prefect/releases/tag/3.6.22",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/807255",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360898",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360898/cti",
"source": "[email protected]"
}
]
}