# Chatchat-Space Langchain-Chatchat vulnerabilities Source: https://junglewise.ai/threats/technologies/langchain-chatchat Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/langchain-chatchat.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in Chatchat-Space Langchain-Chatchat: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-75128, was published on 20 October 2026. 1 vulnerability in the last four weeks, level on the four before (1). 1 critical against 0. ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 2 - All time: 6 (1 critical, 0 exploited in the wild) ## About Chatchat-Space Langchain-Chatchat An open-source knowledge-based QA application based on LangChain and large language models. ## Latest Chatchat-Space Langchain-Chatchat vulnerabilities - [CVE-2026-75128: Langchain-Chatchat unauthenticated arbitrary command execution via tool invocation](https://junglewise.ai/threats/cve-2026-75128-langchain-chatchat-through-0-3-1-3-exposes-a-post-tools-call-api) (critical, CVSS 9.8, published 20 Oct 2026) - [CVE-2026-51883: Langchain-Chatchat path traversal in knowledge base creation](https://junglewise.ai/threats/cve-2026-51883-the-knowledge-base-creation-and-document-upload-interfaces-in) (info, published 1 Oct 2026) - [CVE-2026-7847: chatchat-space Langchain-Chatchat predictable file identifiers in OpenAI routes](https://junglewise.ai/threats/cve-2026-7847-chatchat-space-langchain-chatchat-predictable-file-identifiers-in) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-7846: chatchat-space Langchain-Chatchat TOCTOU in File Upload API](https://junglewise.ai/threats/cve-2026-7846-chatchat-space-langchain-chatchat-toctou-in-file-upload-api) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-7845: chatchat-space Langchain-Chatchat weak hash in Vision Chat Paste Image Handler](https://junglewise.ai/threats/cve-2026-7845-chatchat-space-langchain-chatchat-weak-hash-in-vision-chat-paste) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-7844: chatchat-space Langchain-Chatchat missing authentication in file endpoints](https://junglewise.ai/threats/cve-2026-7844-chatchat-space-langchain-chatchat-missing-authentication-in-file) (medium, CVSS 6.3, published 5 May 2026) ## Most severe Chatchat-Space Langchain-Chatchat vulnerabilities - [CVE-2026-75128: Langchain-Chatchat unauthenticated arbitrary command execution via tool invocation](https://junglewise.ai/threats/cve-2026-75128-langchain-chatchat-through-0-3-1-3-exposes-a-post-tools-call-api) (critical, CVSS 9.8, published 20 Oct 2026) - [CVE-2026-7844: chatchat-space Langchain-Chatchat missing authentication in file endpoints](https://junglewise.ai/threats/cve-2026-7844-chatchat-space-langchain-chatchat-missing-authentication-in-file) (medium, CVSS 6.3, published 5 May 2026) - [CVE-2026-7847: chatchat-space Langchain-Chatchat predictable file identifiers in OpenAI routes](https://junglewise.ai/threats/cve-2026-7847-chatchat-space-langchain-chatchat-predictable-file-identifiers-in) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-7846: chatchat-space Langchain-Chatchat TOCTOU in File Upload API](https://junglewise.ai/threats/cve-2026-7846-chatchat-space-langchain-chatchat-toctou-in-file-upload-api) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-7845: chatchat-space Langchain-Chatchat weak hash in Vision Chat Paste Image Handler](https://junglewise.ai/threats/cve-2026-7845-chatchat-space-langchain-chatchat-weak-hash-in-vision-chat-paste) (low, CVSS 3.1, published 5 May 2026) - [CVE-2026-51883: Langchain-Chatchat path traversal in knowledge base creation](https://junglewise.ai/threats/cve-2026-51883-the-knowledge-base-creation-and-document-upload-interfaces-in) (info, published 1 Oct 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, level on the four before (1). 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 1 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 1 | 1 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Chatchat-Space Langchain-Chatchat vulnerabilities", https://junglewise.ai/threats/technologies/langchain-chatchat, 9 November 2026.