SSRF in Budibase Server
CVE-2026-82243
Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the datasource verify endpoint that allows builder-level users to supply arbitrary URLs without SSRF validation. Attackers can exploit this to leak internal CouchDB credentials by making requests to attacker-controlled servers, gaining full database access in cloud deployments.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/Budibase/budibase/security/advisories/GHSA-83m5-fvmg-r7xv (vendor-advisory)
- www.vulncheck.com/advisories/budibase-server-before-3.41.3-ssrf-with-credential… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82243?
- CVE-2026-82243 is a high-severity vulnerability in Budibase Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-08-28.
- How severe is CVE-2026-82243?
- High severity. CVSS v3 base score is 7.6 out of 10.