VulnerabilityDeferred

CVE-2026-48153

This vulnerability is fixed in 3.39.0.

HIGH 8.5EPSS 0.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Budibase is an open-source low-code platform. Prior to 3.39.0, fetchToken in the OAuth2 SDK makes a POST to a builder-supplied URL with plain node-fetch, skipping the blacklist.isBlacklisted check that every other outbound fetch path in the codebase uses. The Joi schema for the OAuth2 URL has no scheme or host restriction. This vulnerability is fixed in 3.39.0.

CVSS 3.1: 8.5 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS: 0.18% probability · 7th percentile
CISA KEV: Not listed
Weakness: CWE-918
Source: security-advisories@github.com

References

https://github.com/Budibase/budibase/security/advisories/GHSA-4q6h-8p4v-67vq
https://github.com/Budibase/budibase/security/advisories/GHSA-4q6h-8p4v-67vq

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.