CVE-2026-19896
A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:H/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
- Puntuación base: 2.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.49%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-310, CWE-330
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-19896",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-19896",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-18T02:19:05.809749Z"
}
}
],
"cvssMetricV2": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"version": "2.0",
"baseScore": 2.6,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "HIGH",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 4.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.7,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.2
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 2.9,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:H/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",
"exploitMaturity": "PROOF_OF_CONCEPT",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "cna@vuldb.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:mangroup:dtale:*:*:*:*:*:*:*:*"
],
"vendor": "mangroup",
"modules": [
"Flask Session Cookie"
],
"product": "dtale",
"versions": [
{
"status": "affected",
"version": "3.0"
},
{
"status": "affected",
"version": "3.1"
},
{
"status": "affected",
"version": "3.2"
},
{
"status": "affected",
"version": "3.3"
},
{
"status": "affected",
"version": "3.4"
},
{
"status": "affected",
"version": "3.5"
},
{
"status": "affected",
"version": "3.6"
},
{
"status": "affected",
"version": "3.7"
},
{
"status": "affected",
"version": "3.8"
},
{
"status": "affected",
"version": "3.9"
},
{
"status": "affected",
"version": "3.10"
},
{
"status": "affected",
"version": "3.11"
},
{
"status": "affected",
"version": "3.12"
},
{
"status": "affected",
"version": "3.13"
},
{
"status": "affected",
"version": "3.14"
},
{
"status": "affected",
"version": "3.15"
},
{
"status": "affected",
"version": "3.16"
},
{
"status": "affected",
"version": "3.17"
},
{
"status": "affected",
"version": "3.18"
},
{
"status": "affected",
"version": "3.19"
},
{
"status": "affected",
"version": "3.20"
},
{
"status": "affected",
"version": "3.21"
},
{
"status": "affected",
"version": "3.22.0"
}
]
}
]
}
],
"published": "2026-08-15T15:16:37.507",
"references": [
{
"url": "https://github.com/man-group/dtale/issues/960",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/man-group/dtale/pull/963",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/cve/CVE-2026-19896",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/submit/870672",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/390086",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/390086/cti",
"source": "cna@vuldb.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-310"
},
{
"lang": "en",
"value": "CWE-330"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."
}
],
"lastModified": "2026-08-20T12:48:31.843",
"sourceIdentifier": "cna@vuldb.com"
}