CVE-2026-7844: falha de média gravidade em chatchat-space Langchain-Chatchat
chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 5.3epss 0.3%
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.
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
Produtos afetados
chatchat-space · Langchain-ChatchatPoCs públicas encontradas — 1
cve_referencegithub.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-4-Missing-Auth-File-Endpoints.mdnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
CVEs relacionadas — chatchat-space Langchain-Chatchat
No mesmo produto, das mais perigosas para as menos.
CVE-2026-75128CRITICALLangchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call EndpointEPSS 2.2%CVE-2025-6853MEDIUMchatchat-space Langchain-Chatchat Backend upload_temp_docs path traversalEPSS 0.6%CVE-2025-6855MEDIUMchatchat-space Langchain-Chatchat file path traversalEPSS 0.6%CVE-2025-6854MEDIUMchatchat-space Langchain-Chatchat files path traversalEPSS 0.6%CVE-2026-7847LOWchatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random valuesEPSS 0.2%CVE-2026-7846LOWchatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctouEPSS 0.2%
Referências
https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-4-Missing-Auth-File-Endpoints.mdhttps://github.com/chatchat-space/Langchain-Chatchat/https://github.com/chatchat-space/Langchain-Chatchat/issues/5465https://vuldb.com/submit/807790https://vuldb.com/vuln/361123https://vuldb.com/vuln/361123/cti