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Vulnerabilities CVE-2026-72855

CVE-2026-72855

High
Open
TLP:CLEAR

Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST

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Description

Budibase before 3.40.0 contains server-side request forgery vulnerabilities in OpenAPI query import and REST query execution that allow authenticated builder-level users to bypass DNS pinning protections through DNS rebinding attacks. Attackers can configure hostnames that resolve to public addresses during validation but resolve to loopback or private addresses during actual connection, allowing access to blocked internal HTTP services.

Details

CVSS Score
8.4
EPSS Score
0.27%

19.6th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
Confidence
90%
Published
Aug 13, 2026
Last Modified
Aug 13, 2026
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