What is CVE-2026-51866?

CVE-2026-51866 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-30.

How severe is CVE-2026-51866?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in N/a

CVE-2026-51866

In DB-GPT 0.7.5 and 0.8.0, a skill uploaded through the real /api/v1/skills/upload route can later be executed through the real /api/v1/chat/react-agent flow.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-09-30 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Weakness classification (CWE)

CWE-94 — Code Injection

References

Frequently asked questions

What is CVE-2026-51866?: CVE-2026-51866 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-30.
How severe is CVE-2026-51866?: Critical severity. CVSS v3 base score is 9.8 out of 10.