Resource Consumption Vulnerability in a2ui Project by a2ui
CVE-2026-118275

6.9MEDIUM

Key Information:

Vendor

A2ui-project

Status
A2ui
Vendor
CVE Published:
28 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-118275?

A vulnerability exists in a2ui Project that affects versions up to 0.10.6, specifically in the function DataContext.resolveSignal within the file data-context.ts of the Resolver component. This vulnerability can be exploited remotely, leading to significant resource consumption issues. An exploit has been publicly disclosed, raising the potential for malicious attacks. It is strongly advised to apply the available patch, identified by commit c76e17272e52c12c6dcf68905b1df978c39e9aa5, to mitigate the risks associated with this vulnerability.

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-2026-118275 - Proof of Concept

References

https://vuldb.com/vuln/427573
vdb-entrytechnical-description
https://vuldb.com/vuln/427573/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-118275
third-party-advisory

CVSS V4

Score:
6.9
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)
.