CVE-2026-120235mediumCWE-400CWE-404

CVE-2026-120235: medium-severity vulnerability in ag-ui-protocol ag-ui

ag-ui-protocol ag-ui SSE Parser sse.ts parseSSEStream resource consumption

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.4%
A security vulnerability has been detected in ag-ui-protocol ag-ui up to 0.0.58. Affected is the function parseSSEStream of the file sdks/typescript/packages/client/src/transform/sse.ts of the component SSE Parser. The manipulation leads to resource consumption. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is 9e7b2b00bce215bbf731f1e6094f63812527c432. The affected component should be upgraded.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
ag-ui-protocol · ag-ui
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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