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CVE-2026-101098— ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes 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 至 2026-09-23 的版本中检测到一个安全漏洞。该漏洞影响 HTTP Handler 组件中 JdkAgentHttpHandler.java 文件的 readAllBytes 函数。此类操作会导致资源消耗问题。该攻击可由远程发起。修复此问题的拉取请求（Pull Request）目前正在等待合并审批。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
ag-ui-protocol ag-ui 2026-09-23 affected
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I. Basic Information for CVE-2026-101098

Vulnerability Information
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Vulnerability Title
ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in ag-ui-protocol ag-ui up to 2026-09-23. Affected by this issue is the function readAllBytes of the file JdkAgentHttpHandler.java of the component HTTP Handler. Such manipulation leads to resource consumption. The attack can be launched 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:L/UI:N/S:U/C:N/I:N/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 2026-09-23 cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-101098

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III. Intelligence Information for CVE-2026-101098

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Other References for CVE-2026-101098 (5)

Same Patch Batch · ag-ui-protocol · 2026-09-28 · 4 CVEs total

CVE-2026-101100 5.4 MEDIUM ag-ui-protocol ag-ui Middleware filter-tool-calls.ts FilterToolCallsMiddleware cleanup
CVE-2026-101099 4.3 MEDIUM ag-ui-protocol ag-ui Kotlin Community SDK SseParser.kt exceptional condition
CVE-2026-101101 4.3 MEDIUM ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception

IV. Related Vulnerabilities

Same product: ag-ui
Same vendor: ag-ui-protocol
Same weakness: CWE-400

V. Comments for CVE-2026-101098

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