CVE-2026-120235
mediumA security vulnerability has been detected in ag-ui-protocol ag-ui up to 0.0.58.
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/ag-ui-protocol/ag-ui/ cna@vuldb.com
- https://github.com/ag-ui-protocol/ag-ui/commit/9e7b2b00bce215bbf731f1e6094f63812527c432 cna@vuldb.com
- https://github.com/ag-ui-protocol/ag-ui/issues/2522 cna@vuldb.com
- https://github.com/ag-ui-protocol/ag-ui/pull/2627 cna@vuldb.com
- https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-120235 cna@vuldb.com
- https://vuldb.com/submit/1015147 cna@vuldb.com
- https://vuldb.com/vuln/429594 cna@vuldb.com
- https://vuldb.com/vuln/429594/cti cna@vuldb.com

