CVE-2026-45061: Budibase vulnerable to SSRF via trivial `.tar.gz` substring bypass in Plugin URL upload (`/api/plugin`)
(updated )
| Field | Value |
|---|---|
| Title | SSRF via trivial .tar.gz substring bypass in Plugin URL upload |
| Product | Budibase (Self-Hosted) |
| Version | ≤ 3.34.11 (latest stable as of 2026-03-30) |
| Component | packages/server/src/api/controllers/plugin/url.ts |
| Vulnerability Type | CWE-918: Server-Side Request Forgery (SSRF), CWE-184: Incomplete List of Disallowed Inputs |
| Severity | High (chained) / Medium (standalone) |
| CVSS 3.1 Score (chained) | 7.7 — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| CVSS 3.1 Score (standalone) | 5.4 — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Attack Vector | Network |
| Privileges Required | Low (Global Builder role) |
| User Interaction | None |
| Affected Deployments | All Budibase instances with plugin loading enabled (default) |
References
Code Behaviors & Features
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