CVE-2026-82243: Server-Side Request Forgery (SSRF) in budibase server
Description
Budibase Server versions prior to 3.41.3 contain a server-side request forgery (SSRF) vulnerability in the datasource verify endpoint. This flaw allows builder-level users to supply arbitrary URLs without proper SSRF validation. Exploitation can lead to leakage of internal CouchDB credentials, potentially granting full database access in cloud deployments. The vulnerability has a high severity rating with a CVSS 4.0 score of 8.3.
CVSS v4.0
Score 8.3high
Affected software
budibase
server
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82243 is a server-side request forgery vulnerability affecting Budibase Server versions >=0 and <3.41.3. The vulnerability exists in the datasource verify endpoint, where builder-level users can provide arbitrary URLs without SSRF validation. This allows attackers to make crafted requests that can leak internal CouchDB credentials, leading to full database access in cloud deployments. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required beyond builder-level, no user interaction, high impact on confidentiality, low impact on integrity, no impact on availability, and high scope change.
Potential Impact
Successful exploitation can result in leakage of internal CouchDB credentials, which may allow attackers to gain full access to the database in cloud deployments. This compromises confidentiality and potentially the integrity of the data stored in the database. The vulnerability is rated high severity with a CVSS 4.0 score of 8.3.
Mitigation Recommendations
A fix is available in Budibase Server version 3.41.3. Users should upgrade to version 3.41.3 or later to remediate this vulnerability. No additional mitigation guidance is provided in the input data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T10:37:51.948Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a916f91acd9273b49cf92ba
Added to database: 08/28/2026, 11:22:57 UTC
Last enriched: 10/09/2026, 21:23:10 UTC
Last updated: 10/11/2026, 06:48:19 UTC
Views: 47
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