# Stacklok ToolHive vulnerabilities

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

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Stacklok ToolHive: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-58197, was published on 18 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

## Counts

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

## About Stacklok ToolHive

ToolHive is a library for managing and executing tools within the Stacklok ecosystem.

## Latest Stacklok ToolHive vulnerabilities

- [CVE-2026-58197: ToolHive containerized MCP servers host service access via host.docker.internal](https://junglewise.ai/threats/cve-2026-58197-toolhive-containerized-mcp-servers-host-service-access-via-host) (high, CVSS 8.8, published 18 Sep 2026)
- [CVE-2026-58196: Stacklok ToolHive SSRF in remote MCP server authentication discovery](https://junglewise.ai/threats/cve-2026-58196-stacklok-toolhive-ssrf-in-remote-mcp-server-authentication) (medium, CVSS 4.7, published 15 Sep 2026)
- [CVE-2026-54450: Stacklok ToolHive SSRF bypass via IPv6 NAT64 ranges](https://junglewise.ai/threats/cve-2026-54450-stacklok-toolhive-ssrf-bypass-via-ipv6-nat64-ranges) (medium, CVSS 4, published 15 Sep 2026)

## Most severe Stacklok ToolHive vulnerabilities

- [CVE-2026-58197: ToolHive containerized MCP servers host service access via host.docker.internal](https://junglewise.ai/threats/cve-2026-58197-toolhive-containerized-mcp-servers-host-service-access-via-host) (high, CVSS 8.8, published 18 Sep 2026)
- [CVE-2026-58196: Stacklok ToolHive SSRF in remote MCP server authentication discovery](https://junglewise.ai/threats/cve-2026-58196-stacklok-toolhive-ssrf-in-remote-mcp-server-authentication) (medium, CVSS 4.7, published 15 Sep 2026)
- [CVE-2026-54450: Stacklok ToolHive SSRF bypass via IPv6 NAT64 ranges](https://junglewise.ai/threats/cve-2026-54450-stacklok-toolhive-ssrf-bypass-via-ipv6-nat64-ranges) (medium, CVSS 4, published 15 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities 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 | 3 | 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, "Stacklok ToolHive vulnerabilities", https://junglewise.ai/threats/technologies/toolhive, 9 November 2026.