NetSight
critical9.1

CVE-2026-72850

Budibase before 3.40.0 fails to properly sanitize S3 object keys, allowing authenticated builders to upload files with traversal sequences that are preserved d…

Impact

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.

Affected products

ProductAffected versions
Budibase
before 3.40.0

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References