CVE-2026-92363

ag-ui-protocol ag-ui JSON sse_parser.cpp resource consumption

State: Published
Severity: 5.3 Medium
Published: Sep 16, 2026
Updated: Sep 18, 2026
Reserved: Sep 16, 2026

Description

A flaw has been found in ag-ui-protocol ag-ui 1.0. Affected is an unknown function of the file src/stream/sse_parser.cpp of the component JSON Parser. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. This patch is called ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186. Applying a patch is advised to resolve this issue.

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:X	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:X/RL:O/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:X/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-400 Resource Consumption
CWE-404 Denial of Service

Affected Products

Product	Versions
ag-uiag-ui-protocol	1.0Affected

References

VDB-405449 | ag-ui-protocol ag-ui JSON sse_parser.cpp resource consumptionvdb-entry
VDB-405449 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-92363 | CVE Analysis and Reportthird-party-advisory
Submit #934957 | ag-ui-protocol ag-ui v1.0 CWE-400third-party-advisory
https://github.com/ag-ui-protocol/ag-ui/issues/2440issue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/2501issue-trackingpatch
https://github.com/ag-ui-protocol/ag-ui/commit/ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186patch
https://github.com/ag-ui-protocol/ag-ui/product

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