[ CVE-2026-116822 · Published 27 Oct 2026 ]

Vulnerability in yeswiki

CVSS 5.3 EPSS <1%No fix listed yet

[ Description ]Official description

YesWiki before 4.7.0 contains a path traversal vulnerability in BazarListeAction that allows unauthenticated attackers to select arbitrary templates within the @bazar Twig namespace via the template GET parameter. Attackers can append crafted template values to pages containing the bazarliste action to force unintended layouts, causing page defacement for visitors following the crafted link.

[ 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.