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CVE-2026-7846

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CVE-2026-7846

Published: May 5, 2026

Modified: May 5, 2026

PUBLISHED

CVSS v3.1

2.6

LOW

Description

A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to time-of-check time-of-use. Access to the local network is required for this attack to succeed. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public 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-367
CWE-362

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

VDB-361125 | CTI Indicators (IOB, IOC, IOA)
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