What is CVE-2026-82244?

CVE-2026-82244 is a critical-severity vulnerability in Budibase Server, classified under Code Injection. CVSS score: 9.1/10. Published 2026-08-28.

How severe is CVE-2026-82244?

Critical severity. CVSS v3 base score is 9.1 out of 10.

RCE in Budibase Server

CVE-2026-82244

Budibase versions before 3.41.3 contain a remote code execution vulnerability in plugin handling that allows authenticated admin users to execute arbitrary code by uploading a malicious plugin tarball. The server calls eval() on plugin JavaScript files without sandboxing in the main Node.js process, enabling attackers to exfiltrate environment variables and credentials with root privileges in default deployments.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Budibase Server

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-82244?: CVE-2026-82244 is a critical-severity vulnerability in Budibase Server, classified under Code Injection. CVSS score: 9.1/10. Published 2026-08-28.
How severe is CVE-2026-82244?: Critical severity. CVSS v3 base score is 9.1 out of 10.