CRITICALVulnerability
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NVD CRITICAL: CVE-2026-54351 — Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigg...

·Source: NIST NVD

Updated:

Executive Summary

Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigger endpoint in Budibase is publicly accessible and passes the full HTTP request body into automation execution parameters. A mass assignment vulnerability in externalTrigger() allows an attacker to overwrite the internal appId property by including it in the webhook POST body. When the automation is processed asynchron

Analysis

Budibase is an open-source low-code platform. Prior to 3.39.9, the webhook trigger endpoint in Budibase is publicly accessible and passes the full HTTP request body into automation execution parameters. A mass assignment vulnerability in externalTrigger() allows an attacker to overwrite the internal appId property by including it in the webhook POST body. When the automation is processed asynchronously (the default path for webhooks without a collect step), the worker executes the attacker-defined automation in the context of the victim's workspace, granting full read/write access to the victim's database. This vulnerability is fixed in 3.39.9. CVSS Score: 8.2. Published: 2026-06-26T21:16:35.170.

Indicators of Compromise (1)

CVE (1)
CVE-2026-54351
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jun 26, 2026. Verified by: NIST.

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