CVE-2026-81817

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Source
https://cve.org/CVERecord?id=CVE-2026-81817
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81817.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-81817
Published
2026-08-27T13:10:30Z
Modified
2026-08-30T03:31:02Z
Severity
  • 7.2 (High) CVSS_V4 - 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 CVSS Calculator
Summary
Flowintel Missing Task-to-Case Authorization Allows Cross-Case Task Modification
Details

Affected versions of Flowintel contain an insecure direct object reference / broken object-level authorization issue across numerous task endpoints.

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.

The 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.

The 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.

Version impacted =>3.3.0

Database specific 
{
    "cna_assigner": "CIRCL",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81817.json"
}
References

Affected packages

Git / github.com/flowintel/flowintel

Affected ranges

Type
GIT
Repo
https://github.com/flowintel/flowintel
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
10676eec7f1286d7ee0769546c772c5cb9c1c72b
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.3.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.0.1
0.1.0
0.2.0
0.2.1
0.3.0
0.4.0
0.5.0
0.5.1
0.6.0
0.7.0
0.8.0
1.*
1.0.0
1.1.0
1.2.0
1.3.0
1.3.1
1.4.0
1.4.1
1.5.0
1.6.0
1.6.1
1.6.2
2.*
2.0.0
2.1.0
2.1.1
2.2.1
2.3.0
3.*
3.0.0
3.1.0
3.2.0
3.3.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81817.json"