CVE-2026-7709
Full vulnerability record from the local CVENow database.
Description
A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps/kobo_auth.py of the component Endpoint. Such manipulation of the argument user_id leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
LOW
CVSS score
2.1
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-05-03 23:16:42.383000
Last modified
2026-10-26 20:10:00.160000
View original CVE JSON
{
"id": "CVE-2026-7709",
"sourceIdentifier": "[email protected]",
"published": "2026-05-03T23:16:42.383",
"lastModified": "2026-10-26T20:10:00.160",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps/kobo_auth.py of the component Endpoint. Such manipulation of the argument user_id leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue identificada en janeczku Calibre-Web hasta 0.6.26. El elemento afectado es la función generate_auth_token del archivo cps/kobo_auth.py del componente Endpoint. Dicha manipulación del argumento user_id conduce a una autorización indebida. El ataque puede ser lanzado remotamente. El exploit está disponible públicamente y podría ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación pero no respondió de ninguna manera."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "janeczku",
"product": "Calibre-Web",
"cpes": [
"cpe:2.3:a:janeczku:calibre-web:*:*:*:*:*:*:*:*"
],
"modules": [
"Endpoint"
],
"versions": [
{
"version": "0.6.0",
"status": "affected"
},
{
"version": "0.6.1",
"status": "affected"
},
{
"version": "0.6.2",
"status": "affected"
},
{
"version": "0.6.3",
"status": "affected"
},
{
"version": "0.6.4",
"status": "affected"
},
{
"version": "0.6.5",
"status": "affected"
},
{
"version": "0.6.6",
"status": "affected"
},
{
"version": "0.6.7",
"status": "affected"
},
{
"version": "0.6.8",
"status": "affected"
},
{
"version": "0.6.9",
"status": "affected"
},
{
"version": "0.6.10",
"status": "affected"
},
{
"version": "0.6.11",
"status": "affected"
},
{
"version": "0.6.12",
"status": "affected"
},
{
"version": "0.6.13",
"status": "affected"
},
{
"version": "0.6.14",
"status": "affected"
},
{
"version": "0.6.15",
"status": "affected"
},
{
"version": "0.6.16",
"status": "affected"
},
{
"version": "0.6.17",
"status": "affected"
},
{
"version": "0.6.18",
"status": "affected"
},
{
"version": "0.6.19",
"status": "affected"
},
{
"version": "0.6.20",
"status": "affected"
},
{
"version": "0.6.21",
"status": "affected"
},
{
"version": "0.6.22",
"status": "affected"
},
{
"version": "0.6.23",
"status": "affected"
},
{
"version": "0.6.24",
"status": "affected"
},
{
"version": "0.6.25",
"status": "affected"
},
{
"version": "0.6.26",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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": 2.1,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"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": [
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
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"scope": "UNCHANGED",
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"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
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],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"baseScore": 6.5,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-04T16:26:17.793879Z",
"id": "CVE-2026-7709",
"options": [
{
"exploitation": "poc"
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{
"automatable": "no"
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{
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],
"role": "CISA Coordinator",
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-266"
},
{
"lang": "en",
"value": "CWE-285"
}
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],
"references": [
{
"url": "https://drive.google.com/drive/folders/1rosrcfxcHrQM7_GOiBwzY_GnCfXoFuVR?usp=drive_link",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/805823",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360885",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360885/cti",
"source": "[email protected]"
}
]
}