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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-7847 Detail

Description

A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 1.2 LOW
Vector:  CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-3-Predictable-File-ID.md VulDB
https://github.com/chatchat-space/Langchain-Chatchat/ VulDB
https://github.com/chatchat-space/Langchain-Chatchat/issues/5464 VulDB
https://vuldb.com/submit/807796 VulDB
https://vuldb.com/vuln/361126 VulDB
https://vuldb.com/vuln/361126/cti VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-310 Cryptographic Issues VulDB  
CWE-330 Use of Insufficiently Random Values VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-7847
NVD Published Date:
05/05/2026
NVD Last Modified:
05/05/2026
Source:
VulDB