CVE-2026-92359

low

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 [email protected] is sufficient to fix this issue. The patch is identified as 9b143b9668fa52c2054ede9d34a45ac4b4401089. It is suggested to upgrade the affected component.

References

https://vuldb.com/vuln/405445/cti

https://vuldb.com/vuln/405445

https://vuldb.com/submit/934120

https://vuldb.com/cve/CVE-2026-92359

https://github.com/ag-ui-protocol/ag-ui/releases/tag/AGUI.Abstractions%400.0.6

https://github.com/ag-ui-protocol/ag-ui/pull/2492

https://github.com/ag-ui-protocol/ag-ui/issues/2433

https://github.com/ag-ui-protocol/ag-ui/commit/9b143b9668fa52c2054ede9d34a45ac4b4401089

https://github.com/ag-ui-protocol/ag-ui/

Details

Source: Mitre, NVD

Published: 2026-09-16

Updated: 2026-09-23

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 2.3

Vector: 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

Severity: Low

EPSS

EPSS: 0.00228