CVE-2026-39847
Emmett has a path traversal in internal assets handler
7.5
HIGH
CVSS 3.1
EPSS 0.02%
Description
Emmett is a full-stack Python web framework designed with simplicity. From 2.5.0 to before 2.8.1, the RSGI static handler for Emmett's internal assets (/__emmett__ paths) is vulnerable to path traversal attacks. An attacker can use ../ sequences (eg /__emmett__/../rsgi/handlers.py) to read arbitrary files outside the assets directory. This vulnerability is fixed in 2.8.1.
How to fix CVE-2026-39847
To remediate CVE-2026-39847, upgrade the affected package to a fixed version below.
- —upgrade to 2.8.1 or later
- —upgrade to 2.8.1 or later
Is CVE-2026-39847 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 2.5.0, < 2.8.1
- >= 2.5.0, < 2.8.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |