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 v3 3.7 LOW
CVSS v2.0 2.6 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/man-group/dtale/issues/960
https://github.com/man-group/dtale/pull/963
https://vuldb.com/cve/CVE-2026-19896
https://vuldb.com/submit/870672
https://vuldb.com/vuln/390086
https://vuldb.com/vuln/390086/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 15:16

Updated : 2026-08-20 12:48

NVD link : CVE-2026-19896

Mitre link : CVE-2026-19896

CVE.ORG link : CVE-2026-19896

JSON object : View

Products Affected

No product.

CWE

CWE-310

Cryptographic Issues

CWE-330

Use of Insufficiently Random Values

{"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"}