CVE-2026-39847

critical · 9.1

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.

9.1

CVSS

0.5%

EPSS (exploit prob.)

42nd

EPSS percentile

2026-04-07

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weaknesses

CWE-22

Affected products

Vendor	Product	Affected versions
emmett	emmett	>= 2.5.0, < 2.8.1

Check a specific version with /api/v1/cve/match.

References

https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-39847