PatchSiren

Newsletters CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM Newsletters CVE published 2026-08-08

CVE-2026-16269

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-08T07:17:09.790Z and has not been modified since then. The Newsletters WordPress plugin before version 4.16 has a vulnerability allowing unauthenticated attackers to bypass API authentication via type juggling when the optional API is enabled. This issue may impact organizations using the plugin, es [truncated]

HIGH Newsletters CVE published 2026-08-08

CVE-2026-16267

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-08T07:17:09.667Z and has not been modified since then. The Newsletters WordPress plugin before 4.16 does not restrict classes when unserialising public form submissions, allowing unauthenticated attackers to inject arbitrary PHP objects with potential impact on confidentiality, integrity, and availa [truncated]