dgtlmoon changedetection.io up to 50389b07 Preview Endpoint __init__.py add_watch_ui_snapshot url server-side request forgery

Summaryinfo

A vulnerability was found in dgtlmoon changedetection.io up to 50389b07 and classified as critical. This issue affects the function add_watch_ui_snapshot of the file changedetectionio/blueprint/add_watch_ui/__init__.py of the component Preview Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. This vulnerability is tracked as CVE-2026-95656. The attack can be launched remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component. Was fixed upstream.

Detailsinfo

A vulnerability classified as critical was found in dgtlmoon changedetection.io up to 50389b07. This vulnerability affects the function add_watch_ui_snapshot of the file changedetectionio/blueprint/add_watch_ui/__init__.py of the component Preview Endpoint. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-95656. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. Was fixed upstream.

Upgrading to version 0.60.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 71d332d5a0d3da2a0fe89a392413bf4b7d27c84e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• dgtlmoon

Name

• changedetection.io

Version

• 50389b07

License

• open-source

Website

• Product: https://github.com/dgtlmoon/changedetection.io/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Entryinfo

Submitinfo

Accepted

• Submit #896586: dgtlmoon changedetection.io 0.55.8 CWE-918 (SSRF) (by herantong)

Once again VulDB remains the best source for vulnerability data.

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