CVE-2026-78181: Ractivejs Ractive

High severity, CVSS 7.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A weakness has been identified in ractivejs ractive up to 1.4.4. Impacted is the function Ractive#set of the component Keypath Handler. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Ractivejs Ractive: version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.4.4 only

Published 2026-08-24. Last modified 2026-08-26.