ZeroHour

CVE-2026-82246

moderate

Server-Side Request Forgery in Budibase Server Query Import Endpoint

CVSS 4.0
7.1 high
EPSS
<1%p7
Published
()
Modified
AI analysis

Budibase Server before 3.41.3 contains a server-side request forgery vulnerability (CWE-918) in its query import endpoint, which fetches content from user-supplied URLs without validating them. An authenticated user (the CVSS 4.0 vector requires low privileges) can submit an arbitrary URL, such as a cloud instance metadata address or an internal-only host, and the server will retrieve it and return the response. This allows the attacker to read responses from internal services and restricted network resources, with a high confidentiality impact that could include sensitive cloud metadata credentials, while integrity impact is low and availability is unaffected. Any Budibase Server deployment running a version prior to 3.41.3 is affected, particularly self-hosted or cloud-hosted instances where metadata endpoints and internal services are reachable from the server. No public proof-of-concept is known, the flaw is not in CISA KEV, and EPSS assigns only a 0.2% probability of exploitation within 30 days, so exploitation is not currently known.

What to do: Upgrade Budibase Server to 3.41.3 or later, which adds validation of user-supplied URLs in the query import endpoint. Until patched, restrict the endpoint to trusted authenticated users and limit server egress to sensitive internal resources, especially the cloud metadata service (e.g., 169.254.169.254), and review logs for unexpected outbound requests from the server.

Affected
Budibase Serverall versions before 3.41.3
Estimated exposure
moderate≈ tens of thousands of self-hosted deployments (likely only thousands internet-facing) — Budibase is a widely adopted open-source low-code platform (roughly 20k+ GitHub stars and millions of Docker pulls) typically deployed as self-hosted internal tooling, suggesting on the order of tens of thousands of installs but far fewer…

Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.

Description

Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the query import endpoint that fails to validate user-supplied URLs before fetching content. Attackers can submit arbitrary URLs to retrieve responses from internal services including cloud metadata endpoints and other restricted network resources.

Weakness
CWE-918
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

In the news

No ingested article mentions this CVE yet.