CVE-2026-78180 alibaba-fusion next deepMerge index.tsx ConfigProvider.getContextProps prototype pollution
Prototype pollution in Alibaba Fusion Next allows remote attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78180?
CVE-2026-78180 is a medium-severity code injection vulnerability in alibaba-fusion next, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2026-78180?
How do I fix CVE-2026-78180?
No fix has been published for CVE-2026-78180 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-78180 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-78180 exists.
Sources
Also known as GHSA-8mfc-fm4w-pgff.