CVE-2026-118273— a2ui-project a2ui data-model.ts DataModel.set resource consumption

Quick assessment

Affected

a2ui-project a2ui

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 a2ui-project 的 a2ui 项目（版本 0.10.6 及更早版本）中发现了一个安全漏洞。该漏洞影响位于文件中的函数。攻击者可通过执行恶意操作导致资源耗尽，且该攻击可远程发起。相关利用代码已公开，可能被恶意使用。修复此问题的补丁编号为 82789191ce551f4d7a095d273773fb24bd764c9d，建议尽快应用该补丁以消除此风险。

CVSS 4.3 · Medium Updated Oct 28, 2026

Possible ATT&CK Techniques 2 AI

T1499 · Endpoint Denial of Service T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

a2ui-project a2ui data-model.ts DataModel.set resource consumption

Source: CVE Program / CVE List V5

Vulnerability Description

A flaw has been found in a2ui-project a2ui up to 0.10.6. Affected by this vulnerability is the function DataModel.set of the file renderers/web_core/src/v0_9/state/data-model.ts. Executing a manipulation can lead to resource consumption. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called 82789191ce551f4d7a095d273773fb24bd764c9d. A patch should be applied to remediate this issue.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

未加控制的资源消耗(资源穷尽)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
a2ui-project	a2ui	0.10.0	`cpe:2.3:a:a2ui-project:a2ui::::::::`

II. Public POCs for CVE-2026-118273

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-118273

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Other References for CVE-2026-118273 (7)

https://github.com/a2ui-project/a2ui/commit/82789191ce551f4d7a095d273773fb24bd764c9d patch
https://github.com/a2ui-project/a2ui/pull/2430 issue-tracking patch
https://github.com/a2ui-project/a2ui/issues/2386 exploit issue-tracking
https://vuldb.com/cve/CVE-2026-118273 third-party-advisory
https://vuldb.com/vuln/427571/cti signature permissions-required
https://vuldb.com/submit/1015117 third-party-advisory
https://vuldb.com/vuln/427571 vdb-entry technical-description

https://www.cve.org/CVERecord?id=CVE-2026-118273

Same Patch Batch · a2ui-project · 2026-10-28 · 6 CVEs total

CVE-2026-118275	5.3 MEDIUM	a2ui-project a2ui Resolver data-context.ts DataContext.resolveSignal resource consumption
CVE-2026-118271	4.3 MEDIUM	a2ui-project a2ui data-context Resolver data-context.ts resource consumption
CVE-2026-118272	4.3 MEDIUM	a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information ex
CVE-2026-118274	4.3 MEDIUM	a2ui-project a2ui Binder generic-binder.ts resource consumption
CVE-2026-118276	3.5 LOW	a2ui-project a2ui Parser expression_parser.ts formatString resource consumption

IV. Related Vulnerabilities

Same product: a2ui

Same vendor: a2ui-project

Same weakness: CWE-400