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).
Metrics
Affected Vendors & Products
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