CVE-2026-40352: FastGPT is an AI Agent building platform

Q: How do I fix CVE-2026-40352?

fastgpt: upgrade to 4.14.9.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-40352 being exploited?

CVE-2026-40352 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40352 affect?

CVE-2026-40352 affects fastgpt. Severity is high (CVSS 8.8). 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 operator

Q: How urgent is CVE-2026-40352?

Priority 44/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-40352 is a high-severity flaw (CVSS 8.8) affecting fastgpt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 t

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-943
Published	2026-04-17
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: fastgpt

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-17 22:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

fastgpt fastgpt UPGRADE

Affected: < 4.14.9.5

Fixed in: 4.14.9.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fastgpt || rpm -q fastgpt || fastgpt --version

2. UPGRADE to 4.14.9.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fastgpt

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fastgpt

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40352?

fastgpt: upgrade to 4.14.9.5. Exact commands for each OS are on this page.

Is CVE-2026-40352 being exploited?

CVE-2026-40352 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40352 affect?

CVE-2026-40352 affects fastgpt. Severity is high (CVSS 8.8). 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 operator

How urgent is CVE-2026-40352?

Priority 44/100. High severity; Public exploit reference

Software pages

MongoDB vulnerabilities

Related CVEs

CVE-2026-40351 CRITICAL 9.8 UPGRADE FastGPT is an AI Agent building platform
CVE-2026-40252 HIGH 8.1 UPGRADE FastGPT is an AI Agent building platform
CVE-2026-40100 MEDIUM 5.3 UPGRADE FastGPT is an AI Agent building platform

References

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