Apache Answer Unrestricted File Upload Vulnerability Allowing Dangerous Types

Vulnerability

A vulnerability allowing unrestricted upload of files with dangerous types has been identified in Apache Answer versions through 2.0.0. The issue arises because the server failed to properly validate user-supplied image URLs. This lack of validation allows arbitrary external content to be embedded as profile images, potentially exposing users to unintended external requests and tracking by third-party servers.

Impact

Exploitation of this vulnerability could lead to unauthorized external content being embedded in user profiles, allowing for tracking and unintended interactions with third-party servers.

Remediation

Users are advised to upgrade to Apache Answer version 2.0.1 or later, which addresses this vulnerability.

Added: Jun 9, 2026, 9:33 AM
Updated: Jun 9, 2026, 9:33 AM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
0.4
exploitability
5.0
remediation
0.0
relevance
9.4
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.