CVE-2026-92359
ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policy
- State
- Published
- Severity
- 2.3 Low
- Published
- Sep 16, 2026
- Updated
- Sep 16, 2026
- Reserved
- Sep 16, 2026
Description
A security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0. The affected element is the function create_strands_app of the file integrations/aws-strands/python/src/ag_ui_strands/utils.py of the component CORSMiddleware. The manipulation results in permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. Upgrading to version AGUI.Abstractions@0.0.6 is sufficient to fix this issue. The patch is identified as 9b143b9668fa52c2054ede9d34a45ac4b4401089. It is suggested to upgrade the affected component.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X | VulDB |
| 3.1 | 3.1 Low | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C | VulDB |
| 3.0 | 3.1 Low | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C | VulDB |
| 2.0 | 2.6 Low | AV:N/AC:H/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ag-uiag-ui-protocol |
|
References
- VDB-405445 | ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policyvdb-entrytechnical-description
- VDB-405445 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-92359 | CVE Analysis and Reportthird-party-advisory
- Submit #934120 | ag-ui-protocol ag-ui 0.3.0 CWE-942third-party-advisory
- https://github.com/ag-ui-protocol/ag-ui/issues/2433issue-tracking
- https://github.com/ag-ui-protocol/ag-ui/pull/2492issue-trackingpatch
- https://github.com/ag-ui-protocol/ag-ui/commit/9b143b9668fa52c2054ede9d34a45ac4b4401089patch
- https://github.com/ag-ui-protocol/ag-ui/releases/tag/AGUI.Abstractions%400.0.6patch
- https://github.com/ag-ui-protocol/ag-ui/product
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