CVE-2026-120235 PUBLISHED

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

Assigner: VulDB
Reserved: 31.10.2026 Published: 01.11.2026 Updated: 01.11.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 5.3

Product Status

Vendor ag-ui-protocol
Product ag-ui
Versions
  • Version 0.0.1 is affected
  • Version 0.0.2 is affected
  • Version 0.0.3 is affected
  • Version 0.0.4 is affected
  • Version 0.0.5 is affected
  • Version 0.0.6 is affected
  • Version 0.0.7 is affected
  • Version 0.0.8 is affected
  • Version 0.0.9 is affected
  • Version 0.0.10 is affected
  • Version 0.0.11 is affected
  • Version 0.0.12 is affected
  • Version 0.0.13 is affected
  • Version 0.0.14 is affected
  • Version 0.0.15 is affected
  • Version 0.0.16 is affected
  • Version 0.0.17 is affected
  • Version 0.0.18 is affected
  • Version 0.0.19 is affected
  • Version 0.0.20 is affected
  • Version 0.0.21 is affected
  • Version 0.0.22 is affected
  • Version 0.0.23 is affected
  • Version 0.0.24 is affected
  • Version 0.0.25 is affected
  • Version 0.0.26 is affected
  • Version 0.0.27 is affected
  • Version 0.0.28 is affected
  • Version 0.0.29 is affected
  • Version 0.0.30 is affected
  • Version 0.0.31 is affected
  • Version 0.0.32 is affected
  • Version 0.0.33 is affected
  • Version 0.0.34 is affected
  • Version 0.0.35 is affected
  • Version 0.0.36 is affected
  • Version 0.0.37 is affected
  • Version 0.0.38 is affected
  • Version 0.0.39 is affected
  • Version 0.0.40 is affected
  • Version 0.0.41 is affected
  • Version 0.0.42 is affected
  • Version 0.0.43 is affected
  • Version 0.0.44 is affected
  • Version 0.0.45 is affected
  • Version 0.0.46 is affected
  • Version 0.0.47 is affected
  • Version 0.0.48 is affected
  • Version 0.0.49 is affected
  • Version 0.0.50 is affected
  • Version 0.0.51 is affected
  • Version 0.0.52 is affected
  • Version 0.0.53 is affected
  • Version 0.0.54 is affected
  • Version 0.0.55 is affected
  • Version 0.0.56 is affected
  • Version 0.0.57 is affected
  • Version 0.0.58 is affected

Credits

  • ez-lbz (VulDB User) reporter

References

Problem Types

  • Resource Consumption CWE
  • Denial of Service CWE