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[ CVE-2026-117565 · Published 27 Oct 2026 ]

Vulnerability in ArtalkJS Artalk

CVSS 5.3 EPSS <1%No fix listed yet

[ Description ]Official description

Artalk before 2.10.1 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by submitting anonymous comments to /api/v2/comments. Attackers can set a page_key to an internal URL, which GetTitleByURL fetches after only scheme validation, then read the page title through the public comment list.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References