CVE-2026-120234

ag-ui-protocol ag-ui HTTP Transport e.text resource consumption

State: Published
Severity: 5.3 Medium
Published: Nov 1, 2026
Updated: Nov 1, 2026
Reserved: Oct 31, 2026

Description

A weakness has been identified in ag-ui-protocol ag-ui up to 0.0.58. This impacts the function e.text of the component HTTP Transport. Executing a manipulation can lead to resource consumption. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C	VulDB

Weaknesses

CWE-400 Resource Consumption
CWE-404 Denial of Service

Affected Products

Product	Versions
ag-uiag-ui-protocol	0.0.1Affected 0.0.2Affected 0.0.3Affected 0.0.4Affected 0.0.5Affected 0.0.6Affected 0.0.7Affected 0.0.8Affected 0.0.9Affected 0.0.10Affected 0.0.11Affected 0.0.12Affected 0.0.13Affected 0.0.14Affected 0.0.15Affected 0.0.16Affected 0.0.17Affected 0.0.18Affected 0.0.19Affected 0.0.20Affected 0.0.21Affected 0.0.22Affected 0.0.23Affected 0.0.24Affected 0.0.25Affected and 33 more versions

References

VDB-429593 | ag-ui-protocol ag-ui HTTP Transport e.text resource consumptionvdb-entrytechnical-description
VDB-429593 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-120234 | CVE Analysis and Reportthird-party-advisory
Submit #1015146 | ag-ui-protocol ag-ui <=0.0.58 CWE-400third-party-advisory
https://github.com/ag-ui-protocol/ag-ui/issues/2521exploitissue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/2698issue-trackingpatch
https://github.com/ag-ui-protocol/ag-ui/product

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