Description
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.
Published: 2026-08-05
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Mon, 10 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 10 Aug 2026 12:00:00 +0000

Type Values Removed Values Added
Description 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. An unauthenticated client can retrieve the full merged OpenAPI schema (all endpoint paths, parameters, and registered processor plugins) even when API access control is enabled and every sibling /api/v1/* route correctly requires the key. 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.

Mon, 10 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Title changedetection.io: Missing Authentication on /api/v1/full-spec Discloses Full OpenAPI Schema changedetection.io - Missing Authentication on /api/v1/full-spec Discloses Full OpenAPI Schema

Wed, 05 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Dgtlmoon
Dgtlmoon changedetection.io
Vendors & Products Dgtlmoon
Dgtlmoon changedetection.io

Wed, 05 Aug 2026 07:30:00 +0000

Type Values Removed Values Added
Description 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. An unauthenticated client can retrieve the full merged OpenAPI schema (all endpoint paths, parameters, and registered processor plugins) even when API access control is enabled and every sibling /api/v1/* route correctly requires the key.
Title changedetection.io: Missing Authentication on /api/v1/full-spec Discloses Full OpenAPI Schema
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


Subscriptions

Dgtlmoon Changedetection.io
cve-icon MITRE

Status: PUBLISHED

Assigner: TuranSec

Published:

Updated: 2026-08-10T11:45:01.129Z

Reserved: 2026-08-05T06:56:15.798Z

Link: CVE-2026-71203

cve-icon Vulnrichment

Updated: 2026-08-05T13:21:05.196Z

cve-icon NVD

Status : Received

Published: 2026-08-05T08:16:42.203

Modified: 2026-08-10T12:17:24.040

Link: CVE-2026-71203

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T22:15:03Z

Weaknesses