Is CVE-2026-7844 actively exploited?

No active exploitation of CVE-2026-7844 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7844 be exploited remotely?

Partially. CVE-2026-7844 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-7844?

CVE-2026-7844 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-7844

CWE-287Published: May 5, 2026· Updated: May 5, 2026

6.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.9th

Official Description

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/list_files/retrieve_file/retrieve_file_content/delete_file of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Compatible File Service. The manipulation results in missing authentication. The attacker must have access to the local network to execute the attack. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-7844 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.