CRITICALVulnerability
Verified
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NVD CRITICAL: CVE-2026-72850 — Budibase before 3.40.0 fails to properly sanitize S3 object keys, allowing authe...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 9.1. Published: 2026-08-13T22:17:24.307.

Indicators of Compromise (1)

CVE (1)
CVE-2026-72850
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 13, 2026. Verified by: NIST.

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