LeakyCreds
NewInstant webhook alerts now available — notified within seconds of any credential detection.Learn more →
Home / Vulnerability Intelligence / CVE-2026-39847

CVE-2026-39847 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: April 8, 2026

Emmett - Path Traversal

Published: April 7, 2026Updated: April 8, 2026Remote Exploitable

Overview

Emmett 2.5.0 to < 2.8.1 contains a path traversal caused by improper sanitization of ../ sequences in the RSGI static handler for internal assets, letting attackers read arbitrary files outside the assets directory, exploit requires no special privileges.

Severity & Score

Severity: Critical
CVSS Score: 9.1
EPSS Score: 5.1%(Probability of exploitation in next 30 days)

Impact

Attackers can read arbitrary files outside the intended directory, potentially exposing sensitive information.

Mitigation

Upgrade to version 2.8.1 or later.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Apr 8, 2026

šŸ”“ 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 (... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-39847/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
OffSequence
OffSequence
@offseq
Apr 8, 2026

āš ļø Emmett framework (2.5.0 – <2.8.1) suffers from a CRITICAL path traversal (CVE-2026-39847). Attackers can remotely read files outside the asset directory. Patch by upgrading to 2.8.1+. Details: https://radar.offseq.com/threat/cve-2026-39847-cwe-22-improper-limitation-of-a-pat-645f3706 #OffSeq #Emmett #PathTraversal #CVE202639847

View original post

Details

CVE ID
CVE-2026-39847
Severity
Critical
CVSS Score
9.1
Type
path_traversal
Status
unconfirmed
EPSS
5.1%
Social Posts
2

CWE

  • CWE-22

CVSS Metrics

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

EPSS Score

5.1%Probability of exploitation in the next 30 days