CVE-2026-7847

CVE-2026-7847 affects chatchat-space Langchain-Chatchat up to v0.3.1.3. The vulnerability is in the function _get_file_id within libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the Uploaded File Handler. Manipulation leads to insufficiently random values, with local-network ac...

CVE-2026-7847 chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values

A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function getfileid of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently rando...

CVE-2026-7844

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-7846 chatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctou

A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to...

CVE-2026-7846

A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to...

CVE-2026-7846 chatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctou

A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to...

CVE-2026-7845

A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. This issue affects the function PIL.Image.tobytes of the file libs/chatchat-server/chatchat/webuipages/dialogue/dialogue.py of the component Vision Chat Paste Image Handler. This manipulation of the argument...

CVE-2026-7844

CVE-2026-7844 concerns the chatchat-space Langchain-Chatchat project up to version 0.3.1.3. The vulnerability resides in the Compatible File Service, specifically the function set in libs/chatchat-server/chatchat/server/api_server/openai_routes.py (delete_file, as well as related file endpoints l...

CVE-2026-7844 chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-7844

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

LangChain-Chatchat 竞争条件问题漏洞

LangChain-Chatchat is a chatbot software developed based on the LangChain framework, open-sourced by Chatchat-Space. Versions of Langchain-Chatchat 0.3.1.3 and earlier contained a race condition vulnerability. This vulnerability stemmed from the operation of the files function in the...

LangChain-Chatchat 加密问题漏洞

LangChain-Chatchat is a chatbot software developed based on the LangChain framework, open-sourced by Chatchat-Space. Versions of Langchain-Chatchat 0.3.1.3 and earlier had encryption-related vulnerabilities. These vulnerabilities stemmed from an issue in the Vision Chat Paste Image Handler...

PT-2026-37082

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat versions prior to 0.3.1.4 Description A flaw in the Vision Chat Paste Image Handler component allows for the use of a weak hash. This occurs during the manipulation of the paste image.image data argument within the...

LangChain-Chatchat 授权问题漏洞

LangChain-Chatchat is a chatbot software developed based on the LangChain framework, open-sourced by Chatchat-Space. Versions of Langchain-Chatchat 0.3.1.3 and earlier had an authorization vulnerability. This vulnerability stems from a lack of authentication in the functions...

PT-2026-37083

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat versions prior to 0.3.1.4 Description A time-of-check time-of-use TOCTOU issue exists in the OpenAI-Compatible File Upload API component. Manipulation of the file.filename argument within the files function located in the...

PT-2026-37091

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat versions prior to 0.3.1.4 Description An issue exists in the Uploaded File Handler component within the get file id function of the file libs/chatchat-server/chatchat/server/api server/openai routes.py. Manipulation of this...

📄 LangChain Core Insecure Deserialization

LangChain Core versions prior to 1.2.5 and 0.3.81 suffer from a deserialization vulnerability that allows for server-side template injection that can lead to remote code execution. Exploit Title: LangChain Core - SSTI/RCE Date: 2025-12-29 Exploit Author: Mohammed Idrees Banyamer Author Country:...

LangChain-Chatchat 加密问题漏洞

LangChain-Chatchat is a chatbot software developed based on the LangChain framework, open-sourced by Chatchat-Space. Versions of LangChain-Chatchat 0.3.1.3 and earlier had an encryption vulnerability. This vulnerability stems from a function in the Uploaded File Handler component, specifically th...

LangChain Core 1.2.4 - SSTI/RCE

Exploit Title: LangChain Core - SSTI/RCE Date: 2025-12-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Contact: @banyamersecurity Instagram GitHub: https://github.com/mbanyamer Vendor Homepage: https://www.langchain.com/ Software Link: https://pypi.org/project/langchain-core/...

CVE-2026-41488

A flaw was found in langchain-openai. A remote attacker could exploit a Time-of-Check to Time-of-Use TOCTOU vulnerability, also known as a DNS rebinding vulnerability. This occurs because the urltosize helper, used for image token counting, validates URLs for Server-Side Request Forgery SSRF...