YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize

Date Jul 9, 2026
Type Vendor advisory
Signal Critical vendor advisory
Vendor / Product Composer ยท yeswiki/yeswiki
CVE CVE-2026-52777
Critical vendor advisory CVE-2026-52777

Summary

YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize

Why it matters

GitHub has published a reviewed security advisory for yeswiki/yeswiki. Prioritize it with other application dependency updates.

Operator check

Check whether yeswiki/yeswiki is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.4.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.