P4Verified

CVE-2026-72859: server 3.39.4 to before 3.40.0

CVE-2026-72859. CVSS 3.1 base score 7.7 (HIGH, Vendor/CNA). EPSS 0.00311 (percentile 0.21913), scored 2026-10-06.

Affected technology

server · 3.39.4 to before 3.40.0
budibase

Description’s affected range: versions 3.39.4 before 3.40.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

BASIC users can obtain S3 PutObject presigned URLs by sending POST requests to the attachments endpoint. Vendor/CNA’s CVSS 4.0 assessment (base score 8.3/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 2026-10-08 17:34:51.829480+00:00

CWE: CWE-863
CCR priority: 30.9 /100 (P4)
CVSS 3.1: 7.7 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N · Vendor/CNA
EPSS: 0.00311 · percentile 0.22006 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-72859.html