budibase up to 3.24.0 client-side enforcement of server-side security

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in budibase up to 3.24.0. The affected element is an unknown function. This manipulation causes client-side enforcement of server-side security. This vulnerability is handled as CVE-2026-25737. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in budibase up to 3.24.0 and classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a client-side enforcement of server-side security vulnerability. The CWE definition for the vulnerability is CWE-602. The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Budibase is a low code platform for creating internal tools, workflows, and admin panels. In 3.24.0 and earlier, an arbitrary file upload vulnerability exists even though file extension restrictions are configured. The restriction is enforced only at the UI level. An attacker can bypass these restrictions and upload malicious files.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-25737 since 02/05/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0651). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Open Source Budibase

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.0
NVD Vector: 🔒

CNA Base Score: 8.9
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Client-side enforcement of server-side security
CWE: CWE-602
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/05/2026 CVE reserved
03/09/2026 +32 days Advisory disclosed
03/09/2026 +0 days VulDB entry created
03/14/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-2hfr-343j-863r
Status: Confirmed

CVE: CVE-2026-25737 (🔒)
GCVE (CVE): GCVE-0-2026-25737
GCVE (VulDB): GCVE-100-349861
CERT Bund: WID-SEC-2026-0651 - Budibase: Mehrere Schwachstellen

Entryinfo

Created: 03/09/2026 23:24
Updated: 03/14/2026 01:41
Changes: 03/09/2026 23:24 (60), 03/11/2026 05:59 (6), 03/12/2026 23:55 (1), 03/14/2026 01:41 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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