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Vulnerability · Published Aug 24, 2026 · Assigned by VulDB

CVE-2026-78180alibaba-fusion next deepMerge index.tsx ConfigProvider.getContextProps prototype pollution

High 7.3

In plain English

A high-severity prototype pollution in next from alibaba-fusion. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 54.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in alibaba-fusion next up to 1.27.34. This issue affects the function ConfigProvider.getContextProps of the file components/dialog/index.tsx of the component deepMerge. Performing a manipulation of the argument locale results in improperly controlled modification of object prototype attributes. The attack may be initiated remotely. The reported GitHub issue was closed automatically due to inactivity.

Affected products (as reported)

VendorProductVersions
alibaba-fusion next 1.27.01.27.11.27.21.27.31.27.41.27.51.27.61.27.7

Weakness: CWE-1321, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

References