CVE Watch24 jul 2026

CVE-2026-7845

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

CVSS

2.6

Bajo

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 5 may 2026 · Última mod.: 24 jul 2026 · CWE-327 · CWE-328

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-06-302026-07-26

Descripción técnica

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.

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