CVE-2026-92359ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policy
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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.
- CVSS
- 3.1 LOW (v3.1, CNA)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
- Weakness (CWE)
- CWE-942, CWE-346
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ag-ui-protocol ag-ui ag-ui-protocol:ag-ui | 0.3.0; AGUI.Abstractions@0.0.6 not affected | CNA record |
References
- https://vuldb.com/vuln/405445vdb-entry, technical-description
- https://vuldb.com/vuln/405445/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-92359third-party-advisory
- https://vuldb.com/submit/934120third-party-advisory
- https://github.com/ag-ui-protocol/ag-ui/issues/2433issue-tracking
- https://github.com/ag-ui-protocol/ag-ui/pull/2492issue-tracking, patch
- 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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.