---
id: CVE-2026-93736
title: >-
  Mealie before 3.21.0 fails to validate user ownership in the ratings and
  favorites endpoints, allowing authenticated attackers to read any user's
  recipe ratings and favorites by specifying arbitrary user IDs in the URL path
summary: >-
  Mealie before 3.21.0 fails to validate user ownership in the ratings and
  favorites endpoints, allowing authenticated attackers to read any user's
  recipe ratings and favorites by specifying arbitrary user IDs in the URL path.
  Attackers ca…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-639
vendor: mealie-recipes
product: mealie
affected:
  - mealie < 3.21.0
published: '2026-09-18'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:53:07.383'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93736'
references:
  - url: 'https://github.com/mealie-recipes/mealie'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/repos/repository_users.py#L82-L88
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/routes/users/ratings.py#L44-L52
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/mealie-recipes/mealie/commit/6889101a760a457019276c10514e630660b3ed28
    label: disclosure@vulncheck.com
  - url: 'https://github.com/mealie-recipes/mealie/issues/7909'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/mealie-recipes/mealie/pull/7903'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/mealie-recipes/mealie/releases/tag/v3.21.0'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/mealie-before-3.21.0-information-disclosure-via-ratings-endpoint
    label: disclosure@vulncheck.com
  - url: 'https://github.com/mealie-recipes/mealie/issues/7909'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00387
epssPercentile: 0.29976
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-18T17:25:36.834668Z'
ingestedAt: '2026-09-18T16:45:41.401Z'
---

## Overview

Mealie before 3.21.0 fails to validate user ownership in the ratings and favorites endpoints, allowing authenticated attackers to read any user's recipe ratings and favorites by specifying arbitrary user IDs in the URL path. Attackers can access private recipe identifiers, rating values, and favorite flags belonging to other users across different groups or households.

## Remediation

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