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Vulnerability record · CVE-2026-82239 · published 28 August 2026

CVE-2026-82239: Missing authorization vulnerability

Budibase before 3.41.3 fails to enforce per-table role restrictions on the POST /api/datasources/query endpoint, allowing low-privilege BASIC users to read, create, update, or delete rows in any table regardless of configured permissions. Attackers with BASIC role can submit crafted query requests with target table identifiers to bypass table-level access controls and manipulate restricted data.

8.6 CVSS 4.0 High EPSS 0.39% · top 70.0% CWE-862 · Missing authorization Deferred
8.6CVSS 4.0 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
28 Aug 2026Last modified by NVD

Description

Budibase before 3.41.3 fails to enforce per-table role restrictions on the POST /api/datasources/query endpoint, allowing low-privilege BASIC users to read, create, update, or delete rows in any table regardless of configured permissions. Attackers with BASIC role can submit crafted query requests with target table identifiers to bypass table-level access controls and manipulate restricted data.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Budibase/budibase/security/advisories/GHSA-vq3j-xwg3-pg8x
https://www.vulncheck.com/advisories/budibase-before-3.41.3-authorization-bypass-via-datasources-query
https://github.com/Budibase/budibase/security/advisories/GHSA-vq3j-xwg3-pg8x

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Source: NIST National Vulnerability Database (record CVE-2026-82239), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.