hcengineering Platform up to 0.7.426 Print Service server-side request forgery

Summaryinfo

A vulnerability was found in hcengineering Platform up to 0.7.426. It has been rated as critical. This affects an unknown part of the component Print Service. This manipulation causes server-side request forgery. The identification of this vulnerability is CVE-2026-91079. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in hcengineering Platform up to 0.7.426. Affected by this vulnerability is an unknown function of the component Print Service. The manipulation 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 summary by CVE is:

Huly Platform through 0.7.426 contains a server-side request forgery vulnerability in the print service due to missing hostname allowlist validation. Authenticated workspace members can supply arbitrary URLs to the print endpoint, which Puppeteer renders and returns as downloadable PDFs or images, enabling access to internal metadata services and network hosts.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-91079 since 09/14/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/14/2026).

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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• hcengineering

Name

• Platform

Version

• 0.7.426

Website

• Product: https://github.com/hcengineering/platform/

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