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TI-2026-56706 Aliases CVE-2026-82241GHSA-3fqg-454w-h447

Budibase backend-core SSRF via incomplete default blacklist

Priority LOW 31CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Budibase backend-core (@budibase/backend-core, as used by @budibase/server) omits the shared address space range 100.64.0.0/10 from its default SSRF blacklist (DEFAULT_BLACKLIST) used by REST datasource query previews. When the default blacklist is active (i.e., a self-hosted deployment has not defined BLACKLIST_IPS), an authenticated user with the Builder permission can submit a REST datasource query preview request to POST /api/queries/preview targeting a reachable HTTP(S) service in the 100.64.0.0/10 range, causing the server to send a request to that target and return its response through the preview flow. Per the advisory, no released fix was identified at the time of publication; remediation is to add 100.64.0.0/10 to DEFAULT_BLACKLIST.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 23rd percentileScored 2026-11-07
Fix Fixed server (budibase): 3.41.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Budibaseserverbefore 3.41.33.41.3Patch availableCNA
  • server VendorBudibase Affected before 3.41.3 Fixed in 3.41.3 Patch available CNA

Remediation

  • Fix · CNA server (budibase) Fixed in 3.41.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    budibase server 3.41.3

    8 records Highest priority Priority HIGH 4 HIGH, 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-56709 Budibase before 3.41.3 Remote Code Execution via Plugin eval()Priority HIGH 76
    • TI-2026-56704 Budibase before 3.41.3 Authorization Bypass via datasources/queryPriority HIGH 72
    • TI-2026-56708 Budibase Server before 3.41.3 SSRF with Credential LeakagePriority HIGH 69
    Show all 8 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82241
  2. 2026-10-03 Alias added: GHSA-3fqg-454w-h447

References

Advisory 1

  • TI-2026-39242 Budibase: Anonymous NoSQL operator injection via published-app query templates CVSS 3.1CRITICAL 10.0
  • TI-2026-51076 Budibase before 3.40.0 SQL Injection via Unauthenticated Webhook CVSS 4.0CRITICAL 9.0
  • TI-2026-24369 Budibase Universal Auth Bypass via Webhook Query Param Injection CVSS 3.1CRITICAL 9.1
  • TI-2026-56709 Budibase before 3.41.3 Remote Code Execution via Plugin eval() CVSS 4.0CRITICAL 9.4
  • TI-2026-51425 Budibase: SQL Injection via `multipleStatements: true` CVSS 3.1CRITICAL 9.6
  • TI-2026-51075 Budibase before 3.40.0 Arbitrary File Write via Path Traversal CVSS 4.0CRITICAL 9.4
See all 90 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences