What is CVE-2026-6987?

CVE-2026-6987 is a high-severity vulnerability in Sipeed Picoclaw, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-25.

How severe is CVE-2026-6987?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in Sipeed Picoclaw

CVE-2026-6987

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.

Published 2026-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.047 (91.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.047 · change: +0.015

Affected products

Sipeed Picoclaw
Picoclaw — versions 0.2.0, 0.2.1, 0.2.2

Weakness classification (CWE)

References

vuldb.com/vuln/359530 (VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/vuln/359530/cti (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/submit/796336 (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/sipeed/picoclaw/issues/2307 (issue-tracking, Exploit, Mitigation, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6987?: CVE-2026-6987 is a high-severity vulnerability in Sipeed Picoclaw, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-25.
How severe is CVE-2026-6987?: High severity. CVSS v3 base score is 7.3 out of 10.