---
id: CVE-2026-78181
title: A weakness has been identified in ractivejs ractive up to 1.4.4
summary: >-
  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 attribute…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-94
  - CWE-1321
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T16:10:00.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78181'
references:
  - url: 'https://github.com/ractivejs/ractive/'
    label: cna@vuldb.com
  - url: 'https://github.com/ractivejs/ractive/issues/3448'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-78181'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/884187'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394565'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394565/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00585
epssPercentile: 0.46414
ingestedAt: '2026-10-12T16:57:59.904Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.