CVE-2026-42181

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

PT-2026-37170

Name of the Vulnerable Software and Affected Versions Lemmy versions prior to 0.19.18 Description Lemmy fetches metadata for user-supplied post URLs and, when using the default StoreLinkPreviews image mode, downloads preview images via local pict-rs. While the initial top-level page URL is checke...