Apache Fesod up to 2.0.1 UrlImageConverter server-side request forgery

Summaryinfo

A vulnerability classified as critical was found in Apache Fesod up to 2.0.1. This impacts an unknown function of the component UrlImageConverter. Such manipulation leads to server-side request forgery. This vulnerability is referenced as CVE-2026-49328. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Fesod up to 2.0.1. It has been rated as critical. Affected by this issue is an unknown function of the component UrlImageConverter. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Server-Side Request Forgery (SSRF) in the UrlImageConverter component of Apache Fesod (Incubating) fesod-sheet before 2.0.2-incubating allows attackers to cause outbound network requests to internal or otherwise restricted resources via a user-supplied image URL. Users are recommended to upgrade to version 2.0.2-incubating, which fixes this issue.

The weakness was published by Xu Han. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-49328 since 05/29/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/01/2026).

Upgrading to version 2.0.2-incubating eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-33622). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Apache

Name

• Fesod

Version

• 2.0.0
• 2.0.1

License

• open-source

Website

• Vendor: https://www.apache.org/
• Product: https://github.com/apache/fesod/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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