CVE-2026-72850

CRITICAL

CVE: CVE-2026-72850 - Budibase before 3Sign in to save

CVSS

9.1

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 13, 2026

Exploitability

No EPSS data available

Description

Budibase before 3.40.0 fails to properly sanitize S3 object keys, allowing authenticated builders to upload files with traversal sequences that are preserved during export. Attackers can craft filenames containing .. segments that escape the temporary directory during workspace export, writing arbitrary content to any path writable by the Budibase process.

Weaknesses

CWE-22

Affected Packages

No package data available.

Aliases

CVE-2026-72850

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/Budibase/budibase/security/advisories/GHSA-pxwc-66g3-5f27
https://www.vulncheck.com/advisories/budibase-before-arbitrary-file-write-via-path-traversal