FormEncode Access Restrictions Bypass
Published Mar 30, 2009 · Updated Oct 23, 2026 · Also known as GHSA-9jp4-68vc-r8wq, PYSEC-2009-5
Original summary
Normalized public record · Updated Oct 23, 2026
FormEncode Access Restrictions Bypass
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
`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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 10%
- Aliases
- GHSA-9jp4-68vc-r8wq, PYSEC-2009-5
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 30282 ↗
- FEDORA-2008-6312 ↗
- sourceforge.net ↗
- formencode-chainedvalidators-sec-bypass(43878) ↗
- 47082 ↗
- 31163 ↗
- sourceforge.net ↗
- 31081 ↗
Record history
Published Mar 30, 2009 · Last refreshed Oct 23, 2026