CVE-2026-88403 Server-side request forgery in n/a

Medium 6.5 Published Updated

Authenticated attackers can exploit SSRF in NocoBase to scan internal resources via crafted HTTP requests.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-88403?

CVE-2026-88403 is a medium-severity server-side request forgery vulnerability in n/a, published on 21 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Server-Side Request Forgery (SSRF) in the serverRequest function of nocobase v2.1.21 allows authenticated attackers to scan internal resources via a crafted HTTP request.

Weakness: CWE-918

Which versions are affected by CVE-2026-88403?

How do I fix CVE-2026-88403?

No fix has been published for CVE-2026-88403 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-88403 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88403 exists.

Sources

Also known as GHSA-8mh8-4252-7w8q.

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