CVE-2026-7844

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

MEDIUM
6.3
CVSS Score
Published: May 5, 2026 at 03:00 PM UTC
Updated: July 24, 2026 at 08:20 PM UTC
1 product affected across 1 vendorLangchain-Chatchat

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/list_files/retrieve_file/retrieve_file_content/delete_file of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Compatible File Service. The manipulation results in missing authentication. The attacker must have access to the local network to execute the attack. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/361123
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/361123/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/807790

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-287

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