CVE-2026-19246 | HKUDS nanobot up to 0.2.1 Provider-returned Image URL image_generation.py _download_image_data_url server-side request forgery (ID 5095)

A vulnerability marked as critical has been reported in HKUDS nanobot up to 0.2.1. This affects the function _download_image_data_url of the file nanobot/providers/image_generation.py of the component Provider-returned Image URL Handler. The manipulation leads to server-side request forgery.

This vulnerability is traded as CVE-2026-19246. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

It is recommended to apply a patch to fix this issue.

The vendor explains: “We confirm that provider-returned image URLs required the same SSRF protections applied to other network retrieval paths. (…) The patch is currently available on main and is planned for the next patch release, v0.3.1.”