# CVE-2026-16200: zevorn rt-claw RPC swarm.c claw_tool_invoke authorization

> Remote attackers can bypass authorization checks in the rt-claw RPC handler to invoke tools without proper permissions.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Jul 2026
- **Updated:** 20 Jul 2026
- **Also known as:** GHSA-9869-2292-xxj6

## What is CVE-2026-16200?

CVE-2026-16200 is a medium-severity missing authorization vulnerability in zevorn rt-claw, published on 19 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability has been found in zevorn rt-claw up to 0.2.0. This impacts the function claw_tool_invoke of the file claw/services/swarm/swarm.c of the component RPC Handler. The manipulation leads to incorrect authorization. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-863 (Incorrect Authorization), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-16200?


## How do I fix CVE-2026-16200?

No fix has been published for CVE-2026-16200 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-16200 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16200 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-16200 and fix it if it is affected.

What it is: CVE-2026-16200 is a medium-severity missing authorization vulnerability in zevorn rt-claw, published on 19 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16200 exists.

Affected product: zevorn rt-claw. 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-2026-16200/ (Markdown: https://insights.sbomify.com/CVE-2026-16200/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-16200
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16200
- OSV: https://osv.dev/vulnerability/CVE-2026-16200

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-16200/
Summaries are generated and may contain mistakes; the official description above is the record.