# Onyx vulnerabilities

Source: https://junglewise.ai/threats/technologies/onyx  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/onyx.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Onyx: 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-2026-85700, was published on 4 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 3 (1 critical, 0 exploited in the wild)

## About Onyx

A network operating system designed for Ethernet switches.

## Latest Onyx vulnerabilities

- [CVE-2026-85700: Onyx credential disclosure in custom tool endpoints](https://junglewise.ai/threats/cve-2026-85700-onyx-credential-disclosure-in-custom-tool-endpoints) (medium, CVSS 6.5, published 4 Sep 2026)
- [CVE-2026-71424: Onyx MCP servers endpoint information disclosure](https://junglewise.ai/threats/cve-2026-71424-onyx-mcp-servers-endpoint-information-disclosure) (critical, CVSS 9.6, published 17 Aug 2026)
- [CVE-2026-42276: Onyx IDOR in stop-chat-session endpoint](https://junglewise.ai/threats/cve-2026-42276-onyx-idor-in-stop-chat-session-endpoint) (medium, CVSS 4.3, published 8 May 2026)

## Most severe Onyx vulnerabilities

- [CVE-2026-71424: Onyx MCP servers endpoint information disclosure](https://junglewise.ai/threats/cve-2026-71424-onyx-mcp-servers-endpoint-information-disclosure) (critical, CVSS 9.6, published 17 Aug 2026)
- [CVE-2026-85700: Onyx credential disclosure in custom tool endpoints](https://junglewise.ai/threats/cve-2026-85700-onyx-credential-disclosure-in-custom-tool-endpoints) (medium, CVSS 6.5, published 4 Sep 2026)
- [CVE-2026-42276: Onyx IDOR in stop-chat-session endpoint](https://junglewise.ai/threats/cve-2026-42276-onyx-idor-in-stop-chat-session-endpoint) (medium, CVSS 4.3, published 8 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 1 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 1 | 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 | 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, "Onyx vulnerabilities", https://junglewise.ai/threats/technologies/onyx, 9 November 2026.