CVE-2026-72855

Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST

Published Aug 13, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Budibase server
Vendors & Products Budibase server
Type Values Removed Values Added
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.
Title Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST
First Time appeared Budibase
Budibase budibase
Weaknesses CWE-918
CPEs cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:*
Vendors & Products Budibase
Budibase budibase
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.4, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:24 PM
Reserved
Aug 10, 2026, 3:16 PM
Status
Deferred
Published
Aug 13, 2026, 10:17 PM
Modified
Oct 8, 2026, 4:17 PM