{"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":"2026-08-27T19:44:14.187Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T19:44:05.383823Z","id":"CVE-2026-81817","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-27T19:44:14.187Z"}}]}}