CVE-2026-7845

Published: Mag 05, 2026 Last Modified: Mag 05, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 1,2
Attack Vector: adjacent
Attack Complexity: high
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
LOW 2,6
Attack Vector: adjacent_network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
LOW 1,4
Access Vector: adjacent_network
Access Complexity: high
Authentication: single
Confidentiality: none
Integrity: partial
Availability: none

Description

AI Translation Available

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.

327

Use of a Broken or Risky Cryptographic Algorithm

Draft
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Accountability Non-Repudiation
Potential Impacts:
Read Application Data Modify Application Data Hide Activities
Applicable Platforms
Languages: Not Language-Specific, Verilog, VHDL
Technologies: ICS/OT, Not Technology-Specific
View CWE Details
328

Use of Weak Hash

Draft
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism
Applicable Platforms
Technologies: ICS/OT
View CWE Details
https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-1-tobytes-Ha…
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