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CVE-2026-7845

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CVE-2026-7845

Published: May 5, 2026

Modified: May 5, 2026

PUBLISHED

CVSS v3.1

2.6

LOW

Description

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.

VendorProductVersions

chatchat-space

Langchain-Chatchat

affected
0.3.1.0
affected
0.3.1.1
affected
0.3.1.2
affected
0.3.1.3

Weaknesses (CWE)

CWE-328
CWE-327

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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