CVE-2026-7844

MEDIUM 6.3

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

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306 CWE-287
Vendor	chatchat-space
Product	langchain-chatchat
Published	May 5, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

chatchat-space / Langchain-Chatchat

0.3.1.0 0.3.1.1 0.3.1.2 0.3.1.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/361123 vuldb.com: https://vuldb.com/vuln/361123/cti vuldb.com: https://vuldb.com/submit/807790 github.com: https://github.com/chatchat-space/Langchain-Chatchat/issues/5465 github.com: https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-4-Missing-Auth-File-Endpoints.md github.com: https://github.com/chatchat-space/Langchain-Chatchat/

Credits

🔍 Dem00 (VulDB User) VulDB CNA Team