Vulnerability · Published Aug 13, 2026 · Assigned by VulnCheck

CVE-2026-72851Budibase before 3.40.0 SQL Injection via Unauthenticated Webhook

Critical 10.0

In plain English

A critical-severity SQL injection in server from budibase. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)0.4%top 70.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Budibase before 3.40.0 contains an unauthenticated SQL injection vulnerability in webhook-triggered automations with EXECUTE_QUERY steps. Attackers can POST attacker-controlled JSON to the webhook trigger endpoint to inject SQL payloads that execute with builder-configured database credentials, enabling data exfiltration, modification, and persistence in connected datasources like Snowflake.

Affected products (as reported)

Vendor	Product	Versions
budibase	server	0 – before 3.40.0

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-x7h8-ww3q-xv7c) vendor-advisory
VulnCheck Advisory: Budibase before 3.40.0 SQL Injection via Unauthenticated Webhook third-party-advisory