CVE-2026-92363

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Source
https://cve.org/CVERecord?id=CVE-2026-92363
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92363.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-92363
Published
2026-09-16T13:30:10Z
Modified
2026-09-18T03:48:41Z
Severity
  • 5.3 (Medium) CVSS_V4 - 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 CVSS Calculator
Summary
ag-ui-protocol ag-ui JSON sse_parser.cpp resource consumption
Details

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.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-400",
        "CWE-404"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92363.json"
}
References

Affected packages

Git / github.com/ag-ui-protocol/ag-ui

Affected ranges

Type
GIT
Repo
https://github.com/ag-ui-protocol/ag-ui
Events
Introduced
fd34acb6be63a67ed9dbbc7f2f59f7c6f8c01247
Fixed
ab6e0bc298996caac2b4b0b3ec0bd8d32a15a186
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "1.0"
        },
        {
            "last_affected": "1.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.0
@ag-ui/a2ui-middleware@0.*
@ag-ui/a2ui-middleware@0.0.10
@ag-ui/a2ui-middleware@0.0.6
@ag-ui/a2ui-middleware@0.0.7
@ag-ui/a2ui-middleware@0.0.8
@ag-ui/a2ui-middleware@0.0.9
@ag-ui/a2ui-toolkit@0.*
@ag-ui/a2ui-toolkit@0.0.2
@ag-ui/a2ui-toolkit@0.0.4
@ag-ui/adk@0.*
@ag-ui/adk@0.0.2
@ag-ui/ag2@0.*
@ag-ui/ag2@0.0.2
@ag-ui/agno@0.*
@ag-ui/agno@0.0.6
@ag-ui/aws-strands@0.*
@ag-ui/aws-strands@0.2.0
@ag-ui/aws-strands@0.2.1
@ag-ui/aws-strands@0.2.2
@ag-ui/aws-strands@0.2.3
@ag-ui/claude-agent-sdk@0.*
@ag-ui/claude-agent-sdk@0.0.3
@ag-ui/client@0.*
@ag-ui/client@0.0.54
@ag-ui/client@0.0.55
@ag-ui/client@0.0.56
@ag-ui/client@0.0.57
@ag-ui/core@0.*
@ag-ui/core@0.0.54
@ag-ui/core@0.0.55
@ag-ui/core@0.0.56
@ag-ui/core@0.0.57
@ag-ui/crewai@0.*
@ag-ui/crewai@0.0.4
@ag-ui/encoder@0.*
@ag-ui/encoder@0.0.54
@ag-ui/encoder@0.0.55
@ag-ui/encoder@0.0.56
@ag-ui/encoder@0.0.57
@ag-ui/langchain@0.*
@ag-ui/langchain@0.0.2
@ag-ui/langchain@0.0.3
@ag-ui/langgraph@0.*
@ag-ui/langgraph@0.0.33
@ag-ui/langgraph@0.0.34
@ag-ui/langgraph@0.0.35
@ag-ui/langgraph@0.0.36
@ag-ui/langgraph@0.0.37
@ag-ui/langgraph@0.0.38
@ag-ui/langgraph@0.0.39
@ag-ui/langgraph@0.0.40
@ag-ui/langgraph@0.0.42
@ag-ui/langgraph@0.0.43
@ag-ui/llamaindex@0.*
@ag-ui/llamaindex@0.2.0
@ag-ui/mastra@1.*
@ag-ui/mastra@1.0.3
@ag-ui/mastra@1.1.0
@ag-ui/mastra@1.1.1
@ag-ui/mastra@1.1.2
@ag-ui/proto@0.*
@ag-ui/proto@0.0.54
@ag-ui/proto@0.0.55
@ag-ui/proto@0.0.56
@ag-ui/proto@0.0.57
@ag-ui/pydantic-ai@0.*
@ag-ui/pydantic-ai@0.0.3
AGUI.*
AGUI.Abstractions@0.0.3
AGUI.Abstractions@0.0.4
AGUI.Abstractions@0.0.5
AGUI.ClaudeManagedAgents@0.0.1
AGUI.Client@0.0.3
AGUI.Client@0.0.4
AGUI.Client@0.0.5
AGUI.Formatting@0.0.3
AGUI.Formatting@0.0.4
AGUI.Formatting@0.0.5
AGUI.Protobuf@0.0.3
AGUI.Protobuf@0.0.4
AGUI.Protobuf@0.0.5
AGUI.Server@0.0.3
AGUI.Server@0.0.4
AGUI.Server@0.0.5
ag-ui-a2ui-toolkit@0.*
ag-ui-a2ui-toolkit@0.0.3
ag-ui-a2ui-toolkit@0.0.4
ag-ui-agent-spec@0.*
ag-ui-agent-spec@0.1.1
ag-ui-claude-sdk@0.*
ag-ui-claude-sdk@0.1.2
ag-ui-claude-sdk@0.1.3
ag-ui-claude-sdk@0.1.4
ag-ui-claude-sdk@0.1.5
ag-ui-crewai@0.*
ag-ui-crewai@0.2.1
ag-ui-crewai@0.3.0
ag-ui-langgraph@0.*
ag-ui-langgraph@0.0.37
ag-ui-langgraph@0.0.38
ag-ui-langgraph@0.0.39
ag-ui-langgraph@0.0.41
ag-ui-langgraph@0.0.42
ag-ui-langgraph@0.0.43
ag-ui-langroid@0.*
ag-ui-langroid@0.1.1
ag-ui-protocol@0.*
ag-ui-protocol@0.1.19
ag_ui_adk@0.*
ag_ui_adk@0.6.5
ag_ui_adk@0.7.0
ag_ui_strands@0.*
ag_ui_strands@0.2.0
ag_ui_strands@0.2.1
ag_ui_strands@0.2.2
ag_ui_strands@0.2.3
ag_ui_strands@0.2.4
ag_ui_strands@0.2.5
ag_ui_strands@0.3.0
create-ag-ui-app@0.*
create-ag-ui-app@0.0.54
create-ag-ui-app@0.0.55
create-ag-ui-app@0.0.56
create-ag-ui-app@0.0.57
java-client@0.*
java-client@0.1.0
java-core@0.*
java-core@0.1.0
java-server@0.*
java-server@0.1.0
Other
release/2026-05-27
release/2026-05-28
release/2026-05-29
release/2026-06-02
release/2026-06-04
release/2026-06-05
release/2026-06-08
release/2026-06-09
release/2026-06-12
release/2026-06-15
release/2026-06-17
release/2026-06-19
release/2026-06-23
release/2026-06-24
release/2026-07-02
release/2026-07-03
release/2026-07-15
release/2026-07-22
release/2026-07-28
release/2026-07-31
release/2026-08-04
release/2026-08-07
release/2026-08-11
release/2026-08-12
release/2026-08-14
release/2026-08-16
release/2026-08-17
release/2026-08-18
release/2026-08-20

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92363.json"