CVE-2026-92359
ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policy
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.
INFO
Published Date :
Sept. 16, 2026, noon
Last Modified :
Sept. 16, 2026, noon
Remotely Exploit :
No
Source :
VulDB
Affected Products
The following products are affected by CVE-2026-92359
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Upgrade ag-ui-protocol to version [email protected].
- Review and tighten CORSMiddleware domain policies.
- Apply patch 9b143b9668fa52c2054ede9d34a45ac4b4401089.
- Limit cross-domain access to trusted domains only.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-92359 vulnerability anywhere in the article.