CVE-2026-40163: Saltcorn

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Saltcorn is an extensible, open source, no-code database application builder. Prior to 1.4.5, 1.5.5, and 1.6.0-beta.4, the POST /sync/offline_changes endpoint allows an unauthenticated attacker to create arbitrary directories and write a changes.json file with attacker-controlled JSON content anywhere on the server filesystem. The GET /sync/upload_finished endpoint allows an unauthenticated attacker to list arbitrary directory contents and read specific JSON files. This vulnerability is fixed in 1.4.5, 1.5.5, and 1.6.0-beta.4.

Affected products

• Saltcorn Saltcorn: before 1.4.5 (fixed in 1.4.5); from 1.5.0, before 1.5.5 (fixed in 1.5.5); version 1.6.0 only

Published 2026-04-10. Last modified 2026-06-17.