Critical severity · published Mar 31, 2026
CVE-2026-34162
FastGPT: Unauthenticated SSRF via httpTools Endpoint Leads to Internal API Key Theft
10.0
CVSS
0.4%
EPSS
No
On KEV
Description
FastGPT is an AI Agent building platform. Prior to version 4.14.9.5, the FastGPT HTTP tools testing endpoint (/api/core/app/httpTools/runTool) is exposed without any authentication. This endpoint acts as a full HTTP proxy — it accepts a user-supplied baseUrl, toolPath, HTTP method, custom headers, and body, then makes a server-side HTTP request and returns the complete response to the caller. This issue has been patched in version 4.14.9.5.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FA
FastGPT · labring
< 4.14.9.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34162
Patch
https://github.com/labring/FastGPT/commit/bc7eae2ed61481a5e322208829be291faec58c00
Issue Tracking
https://github.com/labring/FastGPT/pull/6640
Product
https://github.com/labring/FastGPT/releases/tag/v4.14.9.5
Exploit
https://github.com/labring/FastGPT/security/advisories/GHSA-w36r-f268-pwrj
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