asciimoo Omnom up to 0.9.0 Feed Submission getFeedInfo/gofeed ParseURL/fetchImageAsInlineURL feed URLs server-side request forgery

Summaryinfo

A vulnerability classified as critical was found in asciimoo Omnom up to 0.9.0. Impacted is the function getFeedInfo/gofeed ParseURL/fetchImageAsInlineURL of the component Feed Submission. The manipulation of the argument feed URLs results in server-side request forgery. This vulnerability is reported as CVE-2026-125366. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in asciimoo Omnom up to 0.9.0. It has been classified as critical. Affected is the function getFeedInfo/gofeed ParseURL/fetchImageAsInlineURL of the component Feed Submission. The manipulation of the argument feed URLs with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Omnom through 0.9.0 contains a server-side request forgery vulnerability that allows authenticated users to make server requests to arbitrary hosts by submitting feed URLs to /add_feed. Attackers can supply internal addresses that getFeedInfo, gofeed ParseURL, and fetchImageAsInlineURL fetch without validation, using reflected error messages to probe internal hosts and ports.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-125366 since 11/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• asciimoo

Name

• Omnom

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9.0

Website

• Product: https://github.com/asciimoo/omnom/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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