What is CVE-2026-33075?

CVE-2026-33075 is a high-severity vulnerability in Fastgpt, classified under Download of Code Without Integrity Check. CVSS score: 8.8/10. Published 2026-03-20.

How severe is CVE-2026-33075?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Fastgpt

CVE-2026-33075

FastGPT is an AI Agent building platform. In versions 4.14.8.3 and below, the fastgpt-preview-image.yml workflow is vulnerable to arbitrary code execution and secret exfiltration by any external contributor. It uses pull_request_target (wh…

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fastgpt
Labring Fastgpt — versions <= 4.14.8.3

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check
CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33075?: CVE-2026-33075 is a high-severity vulnerability in Fastgpt, classified under Download of Code Without Integrity Check. CVSS score: 8.8/10. Published 2026-03-20.
How severe is CVE-2026-33075?: High severity. CVSS v3 base score is 8.8 out of 10.