# CVE-2026-6987: PicoClaw Web Launcher Management Plane restart command injection

> Remote attackers can execute arbitrary commands via the Web Launcher Management Plane restart API endpoint in PicoClaw.

- **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:** Yes
- **Published:** 25 Apr 2026
- **Updated:** 27 Apr 2026
- **Also known as:** GHSA-6r3x-h84w-fhxx, GO-2026-5187

## What is CVE-2026-6987?

CVE-2026-6987 is a medium-severity command injection vulnerability in PicoClaw, published on 25 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in PicoClaw up to 0.2.4. Impacted is an unknown function of the file /api/gateway/restart of the component Web Launcher Management Plane. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. 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-2026-6987?

3 open source packages ship an affected version, including github.com/sipeed/picoclaw. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/sipeed/picoclaw` | Go | All versions | None |
| `github.com/sipeed/picoclaw` | Go | All versions to 0.2.4 | None |
| `github.com/sipeed/picoclaw` | Go | All versions to 0.2.4 | None |

Products: Sipeed Picoclaw.

## How do I fix CVE-2026-6987?

No fix published yet.

## Is CVE-2026-6987 being exploited?

There is no known exploitation of CVE-2026-6987 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-6987 and fix it if it is affected.

What it is: CVE-2026-6987 is a medium-severity command injection vulnerability in PicoClaw, published on 25 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-6987 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/sipeed/picoclaw (Go): affected all versions; no fix listed
- github.com/sipeed/picoclaw (Go): affected all versions up to 0.2.4; no fix listed
- github.com/sipeed/picoclaw (Go): affected all versions up to 0.2.4; no fix listed

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-2026-6987/ (Markdown: https://insights.sbomify.com/CVE-2026-6987/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-6987
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6987
- OSV: https://osv.dev/vulnerability/CVE-2026-6987

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-6987/
Summaries are generated and may contain mistakes; the official description above is the record.