CVE-2008-6547: Formencode

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

schema.py in FormEncode for Python (python-formencode) 1.0 does not apply the chained_validators feature, which allows attackers to bypass intended access restrictions via unknown vectors.

Affected products

• Formencode Formencode: version 1.0 only

Published 2009-03-30. Last modified 2026-06-16.