{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81817", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-08-27T13:10:27.900Z", "datePublished": "2026-08-27T13:10:30.500Z", "dateUpdated": "2026-08-27T13:10:30.500Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "flowintel", "repo": "https://github.com/flowintel/flowintel", "vendor": "flowintel", "versions": [{"lessThanOrEqual": "3.3.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Jeroen Pinoy"}, {"lang": "en", "type": "remediation developer", "value": "David Cruciani"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Affected versions of Flowintel contain an insecure direct object reference / broken object-level authorization issue across numerous task endpoints.</p>\n<p>The routes generally received both a case identifier and a task identifier, but previously they did not enforce that the task actually belonged to the supplied case. As a result, an authenticated user with editor-level access to one case could potentially substitute the ID of a task from another case and invoke operations against that foreign task.</p>\n<p>The patch introduces <code>task_case_bound_required</code>, which loads both objects and returns <code>404</code> unless the task belongs to the requested case. This protection is applied to edit, delete, note, assignment, status, file, export, MISP-linking, subtask, external-reference, and other task-related endpoints.</p><p>The fix also adds explicit checks that a requested <code>note_id</code> belongs to the current task before returning or exporting it, closing related cross-object access paths.</p>Version impacted =&gt;3.3.0"}], "value": "Affected versions of Flowintel contain an insecure direct object reference / broken object-level authorization issue across numerous task endpoints.\n\n\nThe routes generally received both a case identifier and a task identifier, but previously they did not enforce that the task actually belonged to the supplied case. As a result, an authenticated user with editor-level access to one case could potentially substitute the ID of a task from another case and invoke operations against that foreign task.\n\n\nThe patch introduces task_case_bound_required, which loads both objects and returns 404 unless the task belongs to the requested case. This protection is applied to edit, delete, note, assignment, status, file, export, MISP-linking, subtask, external-reference, and other task-related endpoints.\n\nThe fix also adds explicit checks that a requested note_id belongs to the current task before returning or exporting it, closing related cross-object access paths.\n\nVersion impacted =>3.3.0"}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 7.2, "baseSeverity": "HIGH", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-08-27T13:10:30.500Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/flowintel/flowintel/commit/10676eec7f1286d7ee0769546c772c5cb9c1c72b.patch"}], "source": {"discovery": "UNKNOWN"}, "title": "Flowintel Missing Task-to-Case Authorization Allows Cross-Case Task Modification", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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