CVE-2026-7846

LOW
Published May 5, 2026

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...

Full CISO analysis pending enrichment.

Severity & Risk

CVSS 3.1
2.6 / 10
EPSS
N/A
Exploitation Status
No known exploitation
Sophistication
N/A

Attack Surface

AV AC PR UI S C I A
AV Adjacent
AC High
PR Low
UI None
S Unchanged
C None
I Low
A None

Recommended Action

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Compliance Impact

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-7846?

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 h

Is CVE-2026-7846 actively exploited?

No confirmed active exploitation of CVE-2026-7846 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-7846?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-7846?

CVE-2026-7846 has a CVSS v3.1 base score of 2.6 (LOW).

Technical Details

NVD 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.

CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Timeline

Published
May 5, 2026
Last Modified
May 5, 2026
First Seen
May 5, 2026