---
id: CVE-2026-75517
title: Novu provides an API for sending notifications through multiple channels
summary: >-
  Novu provides an API for sending notifications through multiple channels.
  Prior to 3.18.0, Novu integration mutation use cases including
  remove-integration, update-integration, auto-configure-integration, and
  set-integration-as-primary l…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-639
vendor: novuhq
product: novu
affected:
  - novu < 3.18.0
  - api-service < 3.18.0
published: '2026-09-22'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:25:27.050'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75517'
references:
  - url: >-
      https://github.com/novuhq/novu/commit/3d9bbdccf4e36224b5558c245d2b7c085b5d5302
    label: security-advisories@github.com
  - url: 'https://github.com/novuhq/novu/pull/11480'
    label: security-advisories@github.com
  - url: 'https://github.com/novuhq/novu/releases/tag/v3.18.0'
    label: security-advisories@github.com
  - url: 'https://github.com/novuhq/novu/security/advisories/GHSA-jh6r-hjhp-wh2h'
    label: security-advisories@github.com
tags:
  - nvd
  - cve.org
epss: 0.007
epssPercentile: 0.51096
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-22T17:33:09.509575Z'
ingestedAt: '2026-09-22T16:06:00.473Z'
---

## Overview

Novu provides an API for sending notifications through multiple channels. Prior to 3.18.0, Novu integration mutation use cases including remove-integration, update-integration, auto-configure-integration, and set-integration-as-primary look up an integration by integrationId and organizationId without consistently enforcing environmentId. A caller with access to one environment in an organization can target an integration identifier from another environment and delete the integration, modify its credentials, change the primary provider, or trigger auto-configuration. The repository advisory defines both environment API keys and dashboard sessions as affected. The 3.18.0 change enforces the environment boundary only for environment-scoped API-key authentication, while its tests intentionally retain cross-environment dashboard-session behavior, so it does not completely remediate the advisory-defined scope. Version 3.18.0 is a partial fix attempt, and the dashboard-session behavior requires curator resolution.

## Remediation

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