CVE-2026-40035

Published: Apr 08, 2026 Last Modified: Apr 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,1
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

Unfurl through 2025.08 contains an improper input validation vulnerability in config parsing that enables Flask debug mode by default. The debug configuration value is read as a string and passed directly to app.run(), causing any non-empty string to evaluate truthy, allowing attackers to access the Werkzeug debugger and disclose sensitive information or achieve remote code execution.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0010
Percentile
0,3th
Updated

EPSS Score Trend (Last 8 Days)

489

Active Debug Code

Draft
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Access Control Other
Potential Impacts:
Bypass Protection Mechanism Read Application Data Gain Privileges Or Assume Identity Varies By Context
Applicable Platforms
Technologies: Not Technology-Specific, ICS/OT
View CWE Details
https://github.com/obsidianforensics/unfurl/security/advisories/GHSA-vg9h-jx4v-…
https://github.com/obsidianforensics/unfurl/security/advisories/GHSA-vg9h-jx4v-…
https://www.vulncheck.com/advisories/dfir-unfurl-werkzeug-debugger-exposure-via…