CVE-2026-71203

MEDIUM CVSS 3.1: 5.3 EPSS 0.19%
Updated Aug 10, 2026
changedetection
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-306 (Missing Authentication for Critical Function)
Vendor changedetection
Public PoC No

changedetection.io's REST API resources are protected by an @auth.check_token decorator validating the caller's x-api-key header, except the Spec resource registered at /api/v1/full-spec (changedetectionio/api/Spec.py), whose get method carries neither @auth.check_token nor @validate_openapi_request.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1