CVE-2025-26857 Growatt Cloud portal Authorization Bypass Through User-Controlled Key

Medium 6.9 Published Updated

Unauthenticated attackers can rename arbitrary devices of arbitrary users in the Growatt Cloud portal due to missing authorization checks.

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-2025-26857?

CVE-2025-26857 is a medium-severity missing authorization vulnerability in Growatt Cloud portal, published on 15 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated attackers can rename arbitrary devices of arbitrary users (i.e., EV chargers).

Weakness: CWE-639

Which versions are affected by CVE-2025-26857?

It affects 1 product.

Products include Growatt Cloud Portal.

How do I fix CVE-2025-26857?

No fix has been published for CVE-2025-26857 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-26857 being exploited?

There is no known exploitation of CVE-2025-26857 in the wild and no public exploit code.

Sources

Also known as GHSA-c5cf-2xw6-jfpr.

Is CVE-2025-26857 in your software?

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