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CVE-2026-61644

7.7 · HIGH

FastGPT is a knowledge-based AI application platform.

Published Jul 15, 2026CWE-863EPSS 0.41%

Overview

CVE-2026-61644 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FastGPT is a knowledge-based AI application platform. From 4.14.17 until 4.15.0-beta5, the POST /api/core/chat/record/getCollectionQuote endpoint authenticates the caller's chat and collection context, but the initialId center-node lookup is not bound to that authorized context. A low-privileged tenant user can call the endpoint with valid attacker-owned appId, chatId, chatItemDataId, and collectionId values while supplying another tenant's dataset data id as initialId, causing the response to include foreign dataset quote or full-text content. This issue is fixed in version 4.15.0-beta5.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/labring/FastGPT/commit/0c1840c7773c5be5d777f86228651479e02155dbGitHubgithub.com/labring/FastGPT/pull/7173GitHubgithub.com/labring/FastGPT/releases/tag/v4.15.0-beta5GitHubgithub.com/labring/FastGPT/security/advisories/GHSA-mmg6-2g54-j896GitHubgithub.com/labring/FastGPT/security/advisories/GHSA-mmg6-2g54-j896

How CyberStrike helps

Frequently asked questions

What is CVE-2026-61644?

CVE-2026-61644 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-61644?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-61644?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-61644?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-61644 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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