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CVE-2026-92362— ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption

Quick assessment

Affected

ag-ui-protocol ag-ui

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 ag-ui-protocol ag-ui 1.0 中发现了一个漏洞。该漏洞位于组件 SSE 帧解析器中文件的某个未知函数。通过特定操作可引发资源消耗（即资源耗尽攻击）。该攻击可远程实施。用于修复此问题的拉取请求（Pull Request）目前正等待被接受。

CVSS 7.3 · High Updated Sep 16, 2026

Possible ATT&CK Techniques 3 AI

T1274 T1119 · Automated Collection T1499 · Endpoint Denial of Service

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Vulnerability Information

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Vulnerability Title

ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was detected in ag-ui-protocol ag-ui 1.0. This impacts an unknown function of the file crates/ag-ui-client/src/sse.rs of the component SSE Frame Parser. Performing a manipulation results in resource consumption. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

未加控制的资源消耗(资源穷尽)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
ag-ui-protocol	ag-ui	1.0	`cpe:2.3:a:ag-ui-protocol:ag-ui::::::::`

II. Public POCs for CVE-2026-92362

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-92362

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Patches & Fixes for CVE-2026-92362 (1)

🔗 fix(rust): dispatch CRLF-delimited SSE frames and cap the read buffer by NathanTarbert · Pull Request #2500 · ag-ui-protocol/ag-ui Read full article issue-tracking patch

Proof of Concept for CVE-2026-92362 (1)

🔗 [BUG]: Rust community SDK buffers without bounds and never dispatches CRLF-terminated frames · Issue #2439 · ag-ui-protocol/ag-ui issue-tracking

https://www.cve.org/CVERecord?id=CVE-2026-92362

Same Patch Batch · ag-ui-protocol · 2026-09-16 · 5 CVEs total

CVE-2026-92360	6.3 MEDIUM	ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validati
CVE-2026-92361	4.3 MEDIUM	ag-ui-protocol ag-ui SSE Client client.go resource consumption
CVE-2026-92363	4.3 MEDIUM	ag-ui-protocol ag-ui JSON sse_parser.cpp resource consumption
CVE-2026-92359	3.1 LOW	ag-ui-protocol ag-ui CORSMiddleware utils.py create_strands_app cross-domain policy

IV. Related Vulnerabilities

Same product: ag-ui

Same vendor: ag-ui-protocol

Same weakness: CWE-400

V. Comments for CVE-2026-92362

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-92362— ag-ui-protocol ag-ui SSE Frame sse.rs resource consumption

Quick assessment

Possible ATT&CK Techniques 3 AI

I. Basic Information for CVE-2026-92362

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-92362

III. Intelligence Information for CVE-2026-92362

Patches & Fixes for CVE-2026-92362 (1)

Proof of Concept for CVE-2026-92362 (1)

Same Patch Batch · ag-ui-protocol · 2026-09-16 · 5 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-92362

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