# Jan vulnerabilities

Source: https://junglewise.ai/threats/technologies/jan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/jan.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Jan: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-122235, was published on 4 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 3 (0 critical, 0 exploited in the wild)

## About Jan

Jan is an open-source desktop application that allows users to run large language models (LLMs) locally.

## Latest Jan vulnerabilities

- [CVE-2026-122235: Jan workspace guard bypass in agent-tools via symlinks](https://junglewise.ai/threats/cve-2026-122235-jan-from-0-8-5-before-0-8-8-contains-a-workspace-guard-bypass) (medium, CVSS 4.7, published 4 Nov 2026)
- [CVE-2026-66005: janhq Jan CORS misconfiguration in local API server](https://junglewise.ai/threats/cve-2026-66005-janhq-jan-cors-misconfiguration-in-local-api-server) (medium, CVSS 6.3, published 24 Jul 2026)
- [CVE-2024-36858: Jan arbitrary file upload vulnerability](https://junglewise.ai/threats/cve-2024-36858-jan-arbitrary-file-upload-vulnerability) (low, CVSS 3.1, published 4 Jun 2024)

## Most severe Jan vulnerabilities

- [CVE-2026-66005: janhq Jan CORS misconfiguration in local API server](https://junglewise.ai/threats/cve-2026-66005-janhq-jan-cors-misconfiguration-in-local-api-server) (medium, CVSS 6.3, published 24 Jul 2026)
- [CVE-2026-122235: Jan workspace guard bypass in agent-tools via symlinks](https://junglewise.ai/threats/cve-2026-122235-jan-from-0-8-5-before-0-8-8-contains-a-workspace-guard-bypass) (medium, CVSS 4.7, published 4 Nov 2026)
- [CVE-2024-36858: Jan arbitrary file upload vulnerability](https://junglewise.ai/threats/cve-2024-36858-jan-arbitrary-file-upload-vulnerability) (low, CVSS 3.1, published 4 Jun 2024)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| 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 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 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, "Jan vulnerabilities", https://junglewise.ai/threats/technologies/jan, 12 November 2026.