CVE-2026-7844
chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 5, 2026
- Updated
- May 6, 2026
- Reserved
- May 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.8 Medium | AV:A/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Langchain-Chatchatchatchat-space |
|
References
- VDB-361123 | chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authenticationvdb-entrytechnical-description
- VDB-361123 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #807790 | chatchat-space Langchain-Chatchat 0.3.1.3 Missing Authorization / CWE-862third-party-advisory
- https://github.com/chatchat-space/Langchain-Chatchat/issues/5465issue-tracking
- https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-4-Missing-Auth-File-Endpoints.mdexploit
- https://github.com/chatchat-space/Langchain-Chatchat/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.