N/A

CVSS Score

-

CVSS Score

Basic Information

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CVE-2025-14882

CVE-2025-14882: pretix has Broken Access Control Allowing Cross-User File Access via UUID

An API endpoint allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only.

(GitHub Advisory)

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CVE-2025-14882

CVE-2025-14882:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
pretix	pip	>= 2025.10.0, < 2025.10.1	2025.10.1
pretix	pip	>= 2025.9.0, < 2025.9.3	2025.9.3
pretix	pip	< 2025.8.3	2025.8.3

Technical Details

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Root Cause Analysis

The vulnerability is a Broken Access Control issue (CWE-639) where several API endpoints and views allowed access to CachedFile objects using only their UUID, without verifying user ownership. These files, used for data exports, imports, and other operations, could contain sensitive user data. An attacker with knowledge of a file's UUID could directly access and download it. The patch addresses this by introducing a session-binding mechanism. When a CachedFile is created, it is now associated with the creator's session (web session, API token, etc.). The vulnerable functions were those that retrieved these files from the database using only the UUID, and the fix was to add a call to the new allowed_for_session method to enforce that the requester is the owner of the file.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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