CVE-2026-72857 Budibase before 3.40.0 Credential Exposure via STRING Fields

High 8.3 Published Updated

Authenticated users can read plaintext database credentials and service keys from STRING fields, exposing backend infrastructure secrets.

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-2026-72857?

CVE-2026-72857 is a high-severity vulnerability in budibase, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Budibase before 3.40.0 fails to redact datasource credentials stored in STRING typed fields, allowing authenticated users to read MongoDB connection strings and Firebase private keys in plaintext. Attackers with table read permissions can retrieve datasource configurations through the read API to obtain live backend database credentials and service account keys.

Weakness: CWE-522

Which versions are affected by CVE-2026-72857?

How do I fix CVE-2026-72857?

No fix has been published for CVE-2026-72857 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-72857 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-72857 exists.

Sources

Also known as GHSA-6mpp-gfg5-x2vv, GHSA-95j2-62cr-h4p5.

Is CVE-2026-72857 in your software?

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

Check your SBOMs for free