Medium 6.3Published Sep 16, 2026

CVE-2026-92360ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validation

Updated under an hour ago (2026-10-19 08:20 UTC)

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Every CVE for ag-ui-protocol ag-ui

Exploited in the last 30 days

A weakness has been identified in ag-ui-protocol ag-ui 1.0. The impacted element is the function prepareRunAgentInput of the file agent/agent.ts of the component Event Application Layer. This manipulation of the argument TEXT_MESSAGE_START causes origin validation error. Remote exploitation of the attack is possible. The pull request to fix this issue awaits acceptance.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
Weakness (CWE): CWE-346, CWE-345
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 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ag-ui-protocol ag-ui ag-ui-protocol:ag-ui	1.0	CNA record

References

https://vuldb.com/vuln/405446vdb-entry, technical-description
https://vuldb.com/vuln/405446/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-92360third-party-advisory
https://vuldb.com/submit/934950third-party-advisory
https://github.com/ag-ui-protocol/ag-ui/issues/2437issue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/2701issue-tracking, patch
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.