# CVE-2026-93736: Mealie before 3.21.0 Information Disclosure via Ratings Endpoint

> Authenticated attackers can read other users' private recipe ratings and favorites by manipulating user IDs in API requests.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Sep 2026
- **Updated:** 18 Sep 2026
- **Also known as:** GHSA-8wpj-9x79-phww

## What is CVE-2026-93736?

CVE-2026-93736 is a medium-severity missing authorization vulnerability in mealie-recipes mealie, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

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.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-93736?


## How do I fix CVE-2026-93736?

No fix has been published for CVE-2026-93736 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-93736 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93736 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-93736 and fix it if it is affected.

What it is: CVE-2026-93736 is a medium-severity missing authorization vulnerability in mealie-recipes mealie, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93736 exists.

Affected product: mealie-recipes mealie. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-93736/ (Markdown: https://insights.sbomify.com/CVE-2026-93736/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-93736
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93736
- OSV: https://osv.dev/vulnerability/CVE-2026-93736

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-93736/
Summaries are generated and may contain mistakes; the official description above is the record.