CVE-2026-92359 (CVSS 3.1)

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.

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CVSS v3.1 Score

3.1

LOW

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

Weakness Type (CWE)

CWE-346 CWE-346

CWE-942 CWE-942

References

Other References

https://github.com/ag-ui-protocol/ag-ui/ https://github.com/ag-ui-protocol/ag-ui/commit/9b143b9668fa52c2054ede9d34a45ac4b4401089 https://github.com/ag-ui-protocol/ag-ui/issues/2433 https://github.com/ag-ui-protocol/ag-ui/pull/2492 https://github.com/ag-ui-protocol/ag-ui/releases/tag/AGUI.Abstractions%400.0.6 https://vuldb.com/cve/CVE-2026-92359 https://vuldb.com/submit/934120 https://vuldb.com/vuln/405445 https://vuldb.com/vuln/405445/cti

Frequently Asked Questions

What is CVE-2026-92359? +

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. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-92359? +

CVE-2026-92359 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2026-92359? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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