CVE-2026-92359

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Source
https://cve.org/CVERecord?id=CVE-2026-92359
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92359.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-92359
Published
2026-09-16T12:00:16Z
Modified
2026-09-18T03:48:41Z
Severity
  • 2.3 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policy
Details

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.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-346",
        "CWE-942"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92359.json"
}
References

Affected packages

Git / github.com/ag-ui-protocol/ag-ui

Affected ranges

Type
GIT
Repo
https://github.com/ag-ui-protocol/ag-ui
Events
Introduced
5dc6e444599117c14a0ae510507cc0dc94618635
Fixed
9b143b9668fa52c2054ede9d34a45ac4b4401089
Fixed
9f393021ecbd6bcc62dc4b1ad5a6ac4b797565f4
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0.3.0"
        },
        {
            "last_affected": "0.3.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.3.0
@ag-ui/ag2@0.*
@ag-ui/ag2@0.0.2
@ag-ui/agno@0.*
@ag-ui/agno@0.0.6
@ag-ui/crewai@0.*
@ag-ui/crewai@0.0.4
@ag-ui/langchain@0.*
@ag-ui/langchain@0.0.3
@ag-ui/langgraph@0.*
@ag-ui/langgraph@0.0.43
@ag-ui/llamaindex@0.*
@ag-ui/llamaindex@0.2.0
@ag-ui/mastra@1.*
@ag-ui/mastra@1.1.2
@ag-ui/pydantic-ai@0.*
@ag-ui/pydantic-ai@0.0.3
ag-ui-langgraph@0.*
ag-ui-langgraph@0.0.43
ag_ui_strands@0.*
ag_ui_strands@0.3.0
Other
release/2026-08-14
release/2026-08-16
release/2026-08-17
release/2026-08-18
release/2026-08-20

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92359.json"