---
id: CVE-2026-118271
title: a2ui-project a2ui data-context Resolver data-context.ts resource consumption
summary: >-
  A security vulnerability has been detected in a2ui-project a2ui up to 0.10.6.
  This impacts an unknown function of the file
  renderers/web_core/src/v0_9/rendering/data-context.ts of the component
  data-context Resolver. Such manipulation le…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-400
  - CWE-404
vendor: a2ui-project
product: a2ui
affected:
  - a2ui 0.10.0
  - a2ui 0.10.1
  - a2ui 0.10.2
  - a2ui 0.10.3
  - a2ui 0.10.4
  - a2ui 0.10.5
  - a2ui 0.10.6
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T01:30:47.285Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-118271'
references:
  - url: 'https://vuldb.com/vuln/427569'
    label: >-
      VDB-427569 | a2ui-project a2ui data-context Resolver data-context.ts
      resource consumption
  - url: 'https://vuldb.com/vuln/427569/cti'
    label: 'VDB-427569 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-118271'
    label: CVE-2026-118271 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1015115'
    label: 'Submit #1015115 | a2ui-project a2ui <=0.10.6 CWE-400'
  - url: 'https://github.com/a2ui-project/a2ui/issues/2384'
  - url: 'https://github.com/a2ui-project/a2ui/pull/2417'
  - url: >-
      https://github.com/a2ui-project/a2ui/commit/eb314e14fabd29cfb4a74e1202afc4fe2081efa2
  - url: 'https://github.com/a2ui-project/a2ui/'
tags:
  - cve.org
ingestedAt: '2026-10-28T02:02:07.860Z'
---

## Overview

A security vulnerability has been detected in a2ui-project a2ui up to 0.10.6. This impacts an unknown function of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component data-context Resolver. Such manipulation leads to resource consumption. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is eb314e14fabd29cfb4a74e1202afc4fe2081efa2. Applying a patch is advised to resolve this issue.

## Affected

- `a2ui 0.10.0`
- `a2ui 0.10.1`
- `a2ui 0.10.2`
- `a2ui 0.10.3`
- `a2ui 0.10.4`
- `a2ui 0.10.5`
- `a2ui 0.10.6`

## Remediation

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