Langchain-Chatchat <= 0.3.1.3 - Unauthenticated RCE

Langchain-Chatchat = 0.3.1.3 contains a command injection caused by unauthenticated access to the /tools/call API endpoint invoking the shell tool, letting remote attackers execute arbitrary OS commands as root, exploit requires no authentication. id: CVE-2026-75128 info: name: Langchain-Chatchat...

CVE-2026-75128

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...

CVE-2026-75128

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...

CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

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...

CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

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...

EUVD-2026-104685

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...

CVE-2026-75128

Langchain-Chatchat versions through 0.3.1.3 are vulnerable to unauthenticated Remote Code Execution (RCE) due to a missing authentication check on the POST /tools/call API endpoint. This endpoint allows the invocation of any registered tool by name; specifically, the shell tool is always register...

PT-2026-117947

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat versions prior to 0.3.1.4 Description The software exposes a POST '/tools/call' API endpoint that allows the invocation of any registered tool by name without authentication. Because the shell tool is registered by default,...

Chatchat-Space Langchain-Chatchat Authorization Issue Vulnerability

Chatchat-Space Langchain-Chatchat 0.3.1.3 and earlier versions have an authorization issue vulnerability. This vulnerability arises from the POST /tools/call API endpoint, which allows arbitrary registered tools to be called without authentication. This enables remote attackers to execute arbitra...

EUVD-2026-91122

The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences such as ..\ into the knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

EUVD-2026-91123

The OpenAI-compatible file upload endpoint /v1/files in Langchain-Chatchat 0.3.0 is vulnerable to path traversal. An attacker can write files to arbitrary locations outside the openaifiles directory by crafting malicious filenames...

EUVD-2026-91121

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51884

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51883

The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences such as ..\ into the knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

CVE-2026-51882

The OpenAI-compatible file upload endpoint /v1/files in Langchain-Chatchat 0.3.0 is vulnerable to path traversal. An attacker can write files to arbitrary locations outside the openaifiles directory by crafting malicious filenames...

CVE-2026-51883

The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences such as ..\ into the knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

PT-2026-104040

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat version 0.3.0 Description The OpenAI-compatible file upload endpoint /v1/files is susceptible to path traversal, a condition where an attacker can access or write files outside the intended directory. By crafting malicious...

CVE-2026-51883

The knowledge base creation and document upload interfaces in Langchain-Chatchat versions 0.3.0 and 0.3.1 are vulnerable to a path traversal vulnerability (CWE-22 ). An attacker can inject path traversal sequences, such as ..\, into the knowledge_base_name parameter. This allows the attacker to b...

CVE-2026-51884

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51882: Improper Limitation of a Pathname to a Restricted Directory

The OpenAI-compatible file upload endpoint /v1/files in Langchain-Chatchat 0.3.0 is vulnerable to path traversal. An attacker can write files to arbitrary locations outside the openaifiles directory by crafting malicious filenames...