ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes resource consumption (CVE-2026-101098) | HOL Guard CVE

Medium · CVSS 5.3CVE-2026-101098

ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes resource consumption

Answer in brief

CVE-2026-101098 records a Medium severity (CVSS 5.3) vulnerability in ag-ui-protocol ag-ui HTTP JdkAgentHttpHandler.java readAllBytes resource consumption. The current sources do not mark it as known exploited. The current feed maps ag-ui-protocol/ag-ui (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 28, 2026Updated Sep 28, 2026Source checked Sep 28, 2026First seen by HOL Sep 28, 2026Material review Sep 28, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ag-ui-protocol/ag-ui (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ag-ui-protocol/ag-uigeneric	2026-09-23	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ag-ui-protocol/ag-ui.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 28, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.