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CVE-2026-40352

Fastgpt SQL injection

8.8 HIGHPublic exploitEPSS 0.53%
  1. Published17 Apr 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Fastgpt< 4.14.9.5

Remediation

Fixed in
Fastgpt≥ 4.14.9.5

References

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Frequently asked

Is CVE-2026-40352 being actively exploited?

CVE-2026-40352 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.53%.

How severe is CVE-2026-40352?

CVE-2026-40352 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.53% probability of exploitation.

Which products are affected by CVE-2026-40352?

Affected products include Fastgpt.

How do I fix CVE-2026-40352?

Upgrade affected software to a fixed version, for example Fastgpt 4.14.9.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-40352 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.