alibaba-fusion next up to 1.27.34 deepMerge index.tsx ConfigProvider.getContextProps locale prototype pollution

Summaryinfo

A vulnerability, which was classified as critical, was found in alibaba-fusion next up to 1.27.34. Impacted is the function ConfigProvider.getContextProps of the file components/dialog/index.tsx of the component deepMerge. Executing a manipulation of the argument locale can lead to prototype pollution. The identification of this vulnerability is CVE-2026-78180. The attack may be launched remotely. There is no exploit available. The reported GitHub issue was closed automatically due to inactivity.

Detailsinfo

A vulnerability has been found in alibaba-fusion next up to 1.27.34 and classified as critical. This vulnerability affects the function ConfigProvider.getContextProps of the file components/dialog/index.tsx of the component deepMerge. The manipulation of the argument locale with an unknown input leads to a prototype pollution vulnerability. The CWE definition for the vulnerability is CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-78180. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/23/2026). The MITRE ATT&CK project declares the attack technique as T1059.

The reported GitHub issue was closed automatically due to inactivity.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• alibaba-fusion

Name

• next

Version

• 1.27.0
• 1.27.1
• 1.27.2
• 1.27.3
• 1.27.4
• 1.27.5
• 1.27.6
• 1.27.7
• 1.27.8
• 1.27.9
• 1.27.10
• 1.27.11
• 1.27.12
• 1.27.13
• 1.27.14
• 1.27.15
• 1.27.16
• 1.27.17
• 1.27.18
• 1.27.19
• 1.27.20
• 1.27.21
• 1.27.22
• 1.27.23
• 1.27.24
• 1.27.25
• 1.27.26
• 1.27.27
• 1.27.28
• 1.27.29
• 1.27.30
• 1.27.31
• 1.27.32
• 1.27.33
• 1.27.34

Website

• Product: https://github.com/alibaba-fusion/next/

CPE 2.3info

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Submitinfo

Accepted

• Submit #884184: Node.js @alifd/next 1.27.34 Prototype Pollution (by wjm3)

Once again VulDB remains the best source for vulnerability data.

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