---
id: CVE-2026-73084
title: Activepieces is an open source AI workflow automation platform
summary: >-
  Activepieces is an open source AI workflow automation platform. Prior to
  0.83.0, the /api/redirect OAuth callback endpoint embeds the user-supplied
  code query parameter directly into an inline script block without proper
  escaping. A craf…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
  - CWE-94
published: '2026-08-11'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T20:46:02.457'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73084'
references:
  - url: >-
      https://github.com/activepieces/activepieces/commit/8be4c8d5e6a79ccbaa74815027432a3c8c311385
    label: security-advisories@github.com
  - url: 'https://github.com/activepieces/activepieces/releases/tag/0.83.0'
    label: security-advisories@github.com
  - url: >-
      https://github.com/activepieces/activepieces/security/advisories/GHSA-hc39-cm5m-q8g7
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00231
epssPercentile: 0.14262
ingestedAt: '2026-09-09T21:22:45.528Z'
---

## Overview

Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /api/redirect OAuth callback endpoint embeds the user-supplied code query parameter directly into an inline script block without proper escaping. A crafted request to /api/redirect with a malicious code value can break out of the script context and execute arbitrary JavaScript in the Activepieces origin when a logged-in user opens it. An unauthenticated attacker can access the victim's session tokens or make authenticated API calls on the victim's behalf. This issue is fixed in version 0.83.0.

## Remediation

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