CVE-2026-7845
Gravedad CVSS v4.0:
BAJA
Tipo:
CWE-327
Uso de algoritmo criptográfico vulnerable o inseguro
Fecha de publicación:
05/05/2026
Última modificación:
05/05/2026
Descripción
*** Pendiente de traducción *** A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. This issue affects the function PIL.Image.tobytes of the file libs/chatchat-server/chatchat/webui_pages/dialogue/dialogue.py of the component Vision Chat Paste Image Handler. This manipulation of the argument paste_image.image_data causes use of weak hash. The attacker needs to be present on the local network. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Impacto
Puntuación base 4.0
1.20
Gravedad 4.0
BAJA
Puntuación base 3.x
2.60
Gravedad 3.x
BAJA
Puntuación base 2.0
1.40
Gravedad 2.0
BAJA
Referencias a soluciones, herramientas e información
- https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-1-tobytes-Hash-Collision.md
- https://github.com/chatchat-space/Langchain-Chatchat/
- https://github.com/chatchat-space/Langchain-Chatchat/issues/5462
- https://vuldb.com/submit/807794
- https://vuldb.com/vuln/361124
- https://vuldb.com/vuln/361124/cti
- https://github.com/chatchat-space/Langchain-Chatchat/issues/5462