CVE-2026-119565: medium-severity vulnerability in Plausible Analytics
Plausible Analytics through 3.2.1 Mass Assignment via Traffic Change Notification Update
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
Plausible · Plausible AnalyticsRelated CVEs — Plausible Analytics
In the same product, most dangerous first.
References
https://abraxaslabs.tech/research/plausible-traffic-notifyhttps://github.com/plausible/analyticshttps://github.com/plausible/analytics/blob/v3.2.1/lib/plausible/site/traffic_change_notification.ex#L21https://github.com/plausible/analytics/blob/v3.2.1/lib/plausible_web/controllers/site_controller.ex#L481-L494https://www.vulncheck.com/advisories/plausible-analytics-through-3.2.1-mass-assignment-via-traffic-change-notification-update