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[ CVE-2026-116820 · Published 27 Oct 2026 ]

Vulnerability in yeswiki

CVSS 5.3 EPSS <1%No fix listed yet

[ Why it matters ]Priority signals

  • Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

YesWiki from 4.6.0 before 4.7.0 contains an information disclosure vulnerability that allows unauthenticated attackers to view assembled SQL queries by adding the showreq parameter. Attackers can append showreq to public Bazar listing API requests to obtain table names, JSON storage paths, ACL filter logic, and collation, aiding targeted SQL injection.

[ 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