What is CVE-2026-40352?

CVE-2026-40352 is a high-severity vulnerability in Labring Fastgpt, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 8.8/10. Published 2026-04-17.

How severe is CVE-2026-40352?

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

Vulnerability in Labring Fastgpt

CVE-2026-40352

FastGPT is an AI Agent building platform. In versions prior to 4.14.9.5, the password change endpoint is vulnerable to NoSQL injection. An authenticated attacker can bypass the "old password" verification by injecting MongoDB query operato…

EPSS: 0.000 (10.7th 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

Labring Fastgpt — versions < 4.14.9.5

Weakness classification (CWE)

CWE-943 — Improper Neutralization of Special Elements in Data Query Logic

References

https://github.com/labring/FastGPT/security/advisories/GHSA-422w-vrfj-72g6 (x_refsource_CONFIRM)
https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d (x_refsource_MISC)
https://github.com/labring/FastGPT/releases/tag/v4.14.9.5 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40352?: CVE-2026-40352 is a high-severity vulnerability in Labring Fastgpt, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 8.8/10. Published 2026-04-17.
How severe is CVE-2026-40352?: High severity. CVSS v3 base score is 8.8 out of 10.