Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / npm/budibase/CVE-2026-45061
Advisory ID gitlab/npm/budibase/CVE-2026-45061
Aliases CVE-2026-45061
GHSA-xh5j-727m-w6gg
Summary Budibase vulnerable to SSRF via trivial `.tar.gz` substring bypass in Plugin URL upload (`/api/plugin`) | 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) | ---
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-918 Server-Side Request Forgery (SSRF)
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/budibase/CVE-2026-45061.yml
Reference id Reference type URL
https://github.com/Budibase/budibase/security/advisories/GHSA-xh5j-727m-w6gg
CVE-2026-45061 https://nvd.nist.gov/vuln/detail/CVE-2026-45061
GHSA-xh5j-727m-w6gg https://github.com/advisories/GHSA-xh5j-727m-w6gg
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/budibase/CVE-2026-45061.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-28T14:57:19Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/45xxx/CVE-2026-45061.json

Source Advisory: vulnrichment/CVE-2026-45061

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]