`pyLoad` has Path Traversal Vulnerability in `json/upload` Endpoint that allows Arbitrary File Write
Published Jul 22, 2025 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
`pyLoad` has Path Traversal Vulnerability in `json/upload` Endpoint that allows Arbitrary File Write
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
## Summary An **authenticated path traversal vulnerability** exists in the `/json/upload` endpoint of the `pyLoad` By **manipulating the filename of an uploaded file**, an attacker can traverse out of the intended upload directory, allowing them to **write arbitrary files to any location** on the system accessible to the pyLoad process. This may lead to:
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
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Jul 22, 2025 · Last refreshed Nov 3, 2026