Medium severity4.3NVD Advisory· Published Oct 30, 2026
CVE-2026-119565
CVE-2026-119565
Description
Plausible Analytics through 3.2.1 contains a mass assignment vulnerability in update_traffic_change_notification that allows authenticated site editors to reassign notifications by supplying a site_id parameter. Attackers can submit traffic_change_notification[site_id] set to another site's primary key via PUT /sites/:domain/traffic-change-notification/:type to receive that site's traffic alerts and visitor figures.
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Affected products
1Patches
Vulnerability mechanics
References
4- abraxaslabs.tech/research/plausible-traffic-notifynvd
- github.com/plausible/analytics/blob/v3.2.1/lib/plausible/site/traffic_change_notification.exnvd
- github.com/plausible/analytics/blob/v3.2.1/lib/plausible_web/controllers/site_controller.exnvd
- www.vulncheck.com/advisories/plausible-analytics-through-3.2.1-mass-assignment-via-traffic-change-notification-updatenvd
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