---
id: CVE-2026-120233
title: ag-ui-protocol ag-ui HttpAgent http.ts information disclosure
summary: >-
  A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This
  affects an unknown function of the file
  sdks/typescript/packages/client/src/agent/http.ts of the component HttpAgent.
  Performing a manipulation results in inf…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-200
  - CWE-284
vendor: ag-ui-protocol
product: ag-ui
affected:
  - ag-ui 0.0.1
  - ag-ui 0.0.2
  - ag-ui 0.0.3
  - ag-ui 0.0.4
  - ag-ui 0.0.5
  - ag-ui 0.0.6
  - ag-ui 0.0.7
  - ag-ui 0.0.8
  - ag-ui 0.0.9
  - ag-ui 0.0.10
  - ag-ui 0.0.11
  - ag-ui 0.0.12
  - ag-ui 0.0.13
  - ag-ui 0.0.14
  - ag-ui 0.0.15
  - ag-ui 0.0.16
  - ag-ui 0.0.17
  - ag-ui 0.0.18
  - ag-ui 0.0.19
  - ag-ui 0.0.20
  - ag-ui 0.0.21
  - ag-ui 0.0.22
  - ag-ui 0.0.23
  - ag-ui 0.0.24
  - ag-ui 0.0.25
  - ag-ui 0.0.26
  - ag-ui 0.0.27
  - ag-ui 0.0.28
  - ag-ui 0.0.29
  - ag-ui 0.0.30
  - ag-ui 0.0.31
  - ag-ui 0.0.32
  - ag-ui 0.0.33
  - ag-ui 0.0.34
  - ag-ui 0.0.35
  - ag-ui 0.0.36
  - ag-ui 0.0.37
  - ag-ui 0.0.38
  - ag-ui 0.0.39
  - ag-ui 0.0.40
  - ag-ui 0.0.41
  - ag-ui 0.0.42
  - ag-ui 0.0.43
  - ag-ui 0.0.44
  - ag-ui 0.0.45
  - ag-ui 0.0.46
  - ag-ui 0.0.47
  - ag-ui 0.0.48
  - ag-ui 0.0.49
  - ag-ui 0.0.50
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-05T15:45:31.564225Z'
exploitAvailable: true
published: '2026-11-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T15:45:46.762Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120233'
references:
  - url: 'https://vuldb.com/vuln/429592'
    label: VDB-429592 | ag-ui-protocol ag-ui HttpAgent http.ts information disclosure
  - url: 'https://vuldb.com/vuln/429592/cti'
    label: 'VDB-429592 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120233'
    label: CVE-2026-120233 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1015143'
    label: 'Submit #1015143 | ag-ui-protocol ag-ui <=0.0.58 CWE-200'
  - url: 'https://github.com/ag-ui-protocol/ag-ui/issues/2520'
  - url: 'https://github.com/ag-ui-protocol/ag-ui/pull/2575'
  - url: 'https://github.com/ag-ui-protocol/ag-ui/'
tags:
  - cve.org
  - exploit-available
epss: 0.00414
epssPercentile: 0.35914
ingestedAt: '2026-11-05T21:36:00.916Z'
---

## Overview

A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This affects an unknown function of the file sdks/typescript/packages/client/src/agent/http.ts of the component HttpAgent. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

## Affected

- `ag-ui 0.0.1`
- `ag-ui 0.0.2`
- `ag-ui 0.0.3`
- `ag-ui 0.0.4`
- `ag-ui 0.0.5`
- `ag-ui 0.0.6`
- `ag-ui 0.0.7`
- `ag-ui 0.0.8`
- `ag-ui 0.0.9`
- `ag-ui 0.0.10`
- `ag-ui 0.0.11`
- `ag-ui 0.0.12`
- `ag-ui 0.0.13`
- `ag-ui 0.0.14`
- `ag-ui 0.0.15`
- `ag-ui 0.0.16`
- `ag-ui 0.0.17`
- `ag-ui 0.0.18`
- `ag-ui 0.0.19`
- `ag-ui 0.0.20`
- `ag-ui 0.0.21`
- `ag-ui 0.0.22`
- `ag-ui 0.0.23`
- `ag-ui 0.0.24`
- `ag-ui 0.0.25`
- `ag-ui 0.0.26`
- `ag-ui 0.0.27`
- `ag-ui 0.0.28`
- `ag-ui 0.0.29`
- `ag-ui 0.0.30`
- `ag-ui 0.0.31`
- `ag-ui 0.0.32`
- `ag-ui 0.0.33`
- `ag-ui 0.0.34`
- `ag-ui 0.0.35`
- `ag-ui 0.0.36`
- `ag-ui 0.0.37`
- `ag-ui 0.0.38`
- `ag-ui 0.0.39`
- `ag-ui 0.0.40`
- `ag-ui 0.0.41`
- `ag-ui 0.0.42`
- `ag-ui 0.0.43`
- `ag-ui 0.0.44`
- `ag-ui 0.0.45`
- `ag-ui 0.0.46`
- `ag-ui 0.0.47`
- `ag-ui 0.0.48`
- `ag-ui 0.0.49`
- `ag-ui 0.0.50`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.