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

Status: published. Published: 2026-10-28. Updated: 2026-11-03.

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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/a2ui-project/a2ui/pull/2431
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/a2ui-project/a2ui/commit/c97f4a02d3fea33ce3e9de5cf3fd0e3b8f3a4f0e

## Affected products and versions

- a2ui-project / a2ui: 0.10.0 (affected); 0.10.1 (affected); 0.10.2 (affected); 0.10.3 (affected); 0.10.4 (affected); 0.10.5 (affected); 0.10.6 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); 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; source: CNA: VulDB

- CVSS 3.1: 4.3 (medium); 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; source: CNA: VulDB

- CVSS 3.0: 4.3 (medium); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: 0.31% as of 2026-11-02; percentile 23.84%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-400, CWE-404

## Exploit evidence

- exploit: https://github.com/a2ui-project/a2ui/issues/2387 (CNA: VulDB)

## References

- https://vuldb.com/vuln/427572 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/427572/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-118274 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1015118 (CNA: VulDB; third-party-advisory)

- https://github.com/a2ui-project/a2ui/issues/2387 (CNA: VulDB; exploit, issue-tracking)

- https://github.com/a2ui-project/a2ui/pull/2431 (CNA: VulDB; issue-tracking, patch)

- https://github.com/a2ui-project/a2ui/commit/c97f4a02d3fea33ce3e9de5cf3fd0e3b8f3a4f0e (CNA: VulDB; patch)

- https://github.com/a2ui-project/a2ui/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-118274; retrieved 2026-11-03; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-118274; retrieved 2026-11-03; source updated Not reported

Revision: 03e787803e5598eec062275c2475aa9d177b31eccf572966e257ad253a9278b8

Canonical: https://y2.dev/cve/CVE-2026-118274

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