CVE-2026-82243 Budibase Server before 3.41.3 SSRF with Credential Leakage

High 8.3 Published Updated

Builder-level users can exploit an SSRF flaw in the datasource verify endpoint to leak internal CouchDB credentials and gain database access.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-82243?

CVE-2026-82243 is a high-severity server-side request forgery vulnerability in budibase server, published on 28 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the datasource verify endpoint that allows builder-level users to supply arbitrary URLs without SSRF validation. Attackers can exploit this to leak internal CouchDB credentials by making requests to attacker-controlled servers, gaining full database access in cloud deployments.

Weakness: CWE-918

Which versions are affected by CVE-2026-82243?

How do I fix CVE-2026-82243?

No fix has been published for CVE-2026-82243 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-2026-82243 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82243 exists.

Sources

Also known as GHSA-83m5-fvmg-r7xv, GHSA-c4vg-vvj4-p8mf.

Is CVE-2026-82243 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free