CVE-2026-54350: Budibase is an open-source low-code platform

This week

CRITICAL 10.0REMOTEUPGRADE

CVE-2026-54350 is a critical-severity flaw (CVSS 10.0) affecting budibase. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase app reads every document of the backing MongoDB, CouchDB, Elasticsearch, DynamoDB-PartiQL, or REST-with-JSON-body collection and, where the builder has published a PUBLIC write query, modifies every document of that collection with one HTTP request. enrichContext at packages/server/src/sdk/workspace/queries/queries.ts:121-138 subs

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-89, CWE-943
Published	2026-06-26
Last modified	2026-06-30

Publisher (CNA): GitHub, Inc. · Vendor: budibase

Last updated 2026-06-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-26 21:16 UTCPublished CVE record published
2026-06-30 20:17 UTCUpdated Record last modified

budibase budibase UPGRADE

Affected: < 3.39.12

Fixed in: 3.39.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy budibase || rpm -q budibase || budibase --version

2. UPGRADE to 3.39.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade budibase

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade budibase

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

npm · @budibase/server · FIXED · 3.39.12 · vulnerable: < 3.39.12 · source

npm install @budibase/server@">=3.39.12" npm ls @budibase/server

Fedora 46 · python3.11 · FIXED · 3.11.18-1.fc46 · FEDORA-2026-cc775894f4 · source

sudo dnf upgrade --advisory=FEDORA-2026-cc775894f4

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: BiiTts/CVE-2026-54350-Budibase-NoSQL-Injection (0 stars)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-54350?

budibase: upgrade to 3.39.12. Exact commands for each OS are on this page.

Is CVE-2026-54350 being exploited?

CVE-2026-54350 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-54350 affect?

CVE-2026-54350 affects budibase. Severity is critical (CVSS 10.0). Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase app reads every document of the backing MongoDB, CouchDB, Elasticsearch, DynamoDB-PartiQL, or REST-with-JSON-body collecti

How urgent is CVE-2026-54350?

Priority 56/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Elasticsearch vulnerabilities · MongoDB vulnerabilities

Related CVEs

CVE-2026-54353 HIGH 8.5 UPGRADE Budibase is an open-source low-code platform
CVE-2026-54352 CRITICAL 9.6 UPGRADE Budibase is an open-source low-code platform
CVE-2026-54351 HIGH 8.2 UPGRADE Budibase is an open-source low-code platform
CVE-2026-50137 CRITICAL 9.4 UPGRADE Budibase is an open-source low-code platform
CVE-2026-50136 HIGH 7.4 UPGRADE Budibase is an open-source low-code platform

References

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