CVE-2026-120235

Description

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.

References

https://vuldb.com/vuln/429594/cti

https://vuldb.com/vuln/429594

https://vuldb.com/submit/1015147

https://vuldb.com/cve/CVE-2026-120235

https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30

https://github.com/ag-ui-protocol/ag-ui/pull/2627

https://github.com/ag-ui-protocol/ag-ui/issues/2522

https://github.com/ag-ui-protocol/ag-ui/commit/9e7b2b00bce215bbf731f1e6094f63812527c432

https://github.com/ag-ui-protocol/ag-ui/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114864

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS