Sinatra Path Traversal vulnerability
Published Feb 18, 2018 · Updated Oct 23, 2026 · Also known as GHSA-h29f-7f56-j8wh
Original summary
Normalized public record · Updated Oct 23, 2026
Sinatra Path Traversal vulnerability
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
An issue was discovered in `rack-protection/lib/rack/protection/path_traversal.rb` in Sinatra 2.x before 2.0.1 on Windows. Path traversal is possible via backslash characters.
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
- Not available
- Aliases
- GHSA-h29f-7f56-j8wh
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Feb 18, 2018 · Last refreshed Oct 23, 2026