# CVE-2026-19333: NightTrek Supabase-MCP generate_types command injection

> Local attackers can execute arbitrary commands via the generate_types argument in NightTrek Supabase-MCP, posing a risk to developers using this tool.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Aug 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-xw8f-8xpv-55vg

## What is CVE-2026-19333?

CVE-2026-19333 is a medium-severity command injection vulnerability in NightTrek Supabase-MCP, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was detected in NightTrek Supabase-MCP cc994ab2d2a36b0af6ee7c7f3e6ce8e08cda2170/db03237d92f7dc2f0da0d70a87dba84ebcde5b66. Affected by this issue is some unknown functionality of the component generate_types. The manipulation of the argument schema results in command injection. The attack needs to be approached locally. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-19333?


## How do I fix CVE-2026-19333?

No fix has been published for CVE-2026-19333 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19333 being exploited?

There is no known exploitation of CVE-2026-19333 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19333 and fix it if it is affected.

What it is: CVE-2026-19333 is a medium-severity command injection vulnerability in NightTrek Supabase-MCP, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-19333 in the wild and no public exploit code.

Affected product: NightTrek Supabase-MCP. 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-2026-19333/ (Markdown: https://insights.sbomify.com/CVE-2026-19333/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19333
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19333
- OSV: https://osv.dev/vulnerability/CVE-2026-19333

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-19333/
Summaries are generated and may contain mistakes; the official description above is the record.