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TI-2026-64838 Aliases CVE-2026-100682GHSA-xphc-jppf-jrhm

Budibase Server before 3.45.0 Arbitrary File Write via ZIP Symlink

Priority HIGH 73CWE-22Published · Updated

Key facts

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

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

Summary

Budibase Server before 3.45.0 contains an arbitrary file write vulnerability in the PWA icon upload endpoint that extracts user-supplied ZIP archives without proper symlink validation. Attackers with BUILDER role can craft a malicious ZIP with leaf symlink entries followed by duplicate file entries to write arbitrary files as root, enabling remote code execution.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00724 54th percentileScored 2026-11-07
Fix Fixed server (budibase): 3.45.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

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 3.45.03.45.0Patch availableCNA
  • server VendorBudibase Affected before 3.45.0 Fixed in 3.45.0 Patch available CNA

Remediation

  • Fix · CNA server (budibase) Fixed in 3.45.0

Fixed in the same release

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

  • Release ·

    budibase server 3.45.0

    9 records Highest priority Priority HIGH 6 HIGH, 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-64840 Budibase Server 3.41.0 before 3.45.0 Authentication Bypass via OIDCPriority HIGH 75
    • TI-2026-64839 Budibase before 3.45.0 SQL Injection via column-rename DDLPriority HIGH 74
    • TI-2026-64842 Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:groupId/appsPriority HIGH 72
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-100682
  2. 2026-10-03 Alias added: GHSA-xphc-jppf-jrhm
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

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