Critical severity9.1NVD Advisory· Published Apr 7, 2026· Updated Apr 16, 2026
CVE-2026-39847
CVE-2026-39847
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
emmettPyPI | >= 2.5.0, < 2.8.1 | 2.8.1 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/advisories/GHSA-pr46-2v3c-5356ghsaADVISORY
- github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-39847ghsaADVISORY
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