Resource Consumption Flaw in a2ui Project by a2ui
CVE-2026-118273

5.3MEDIUM

Key Information:

Vendor

A2ui-project

Status
A2ui
Vendor
CVE Published:
28 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-118273?

A resource consumption vulnerability in the a2ui project allows attackers to exploit the function DataModel.set located in the file renderers/web_core/src/v0_9/state/data-model.ts. By manipulating this function, an attacker can initiate a remote attack leading to unexpected resource depletion. A patch has been released to address this issue, and applying it is essential for the protection of affected versions.

Affected Version(s)

a2ui 0.10.0

a2ui 0.10.1

a2ui 0.10.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-118273 - Proof of Concept

References

https://vuldb.com/vuln/427571
vdb-entrytechnical-description
https://vuldb.com/vuln/427571/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-118273
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ez-lbz (VulDB User)
.