Is CVE-2026-40352 actively exploited?

No active exploitation of CVE-2026-40352 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40352 be exploited remotely?

Yes. CVE-2026-40352 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-40352?

CVE-2026-40352 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-40352

CWE-943Published: April 17, 2026· Updated: Apr 20, 2026

8.8

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.2th

Official Description

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 operators. This allows an attacker who has gained a low-privileged session to change the password of their account (or others if combined with ID manipulation) without knowing the current one, leading to full account takeover and persistence. This issue has been fixed in version 4.14.9.5.

NVD Source

Technical Analysis

CVE-2026-40352 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.