CVE-2026-92363

MEDIUM 4.3

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

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400 CWE-404
Vendor	ag-ui-protocol
Product	ag-ui
Published	Sep 16, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ag-ui-protocol / ag-ui

1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/405449 vuldb.com: https://vuldb.com/vuln/405449/cti vuldb.com: https://vuldb.com/cve/CVE-2026-92363 vuldb.com: https://vuldb.com/submit/934957 github.com: https://github.com/ag-ui-protocol/ag-ui/issues/2440 github.com: https://github.com/ag-ui-protocol/ag-ui/pull/2501 github.com: https://github.com/ag-ui-protocol/ag-ui/commit/ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186 github.com: https://github.com/ag-ui-protocol/ag-ui/

Credits

🔍 meraklbz (VulDB User)