Path Traversal in Saltcorn
CVE-2026-40163
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (26.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Saltcorn — versions >= 1.6.0-alpha.0, < 1.6.0-beta.4, >= 1.5.0-beta.0, < 1.5.5, 1.6.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-40163?
- CVE-2026-40163 is a high-severity vulnerability in Saltcorn, classified under Path Traversal. CVSS score: 8.2/10. Published 2026-04-10.
- How severe is CVE-2026-40163?
- High severity. CVSS v3 base score is 8.2 out of 10.