Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the server user (root in the shipped Docker image).
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 20 Oct 2026 01:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the server user (root in the shipped Docker image). | |
| Title | Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint | |
| First Time appeared |
Chatchat-space
Chatchat-space langchain-chatchat |
|
| Weaknesses | CWE-306 | |
| CPEs | cpe:2.3:a:chatchat-space:langchain-chatchat:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Chatchat-space
Chatchat-space langchain-chatchat |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-20T00:46:08.977Z
Reserved: 2026-08-17T18:39:57.660Z
Link: CVE-2026-75128
No data.
Status : Received
Published: 2026-10-20T01:17:19.063
Modified: 2026-10-20T01:17:19.063
Link: CVE-2026-75128
No data.
OpenCVE Enrichment
Updated: 2026-10-20T03:00:16Z
Weaknesses