CVE-2025-66580: Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs

Q: How do I fix CVE-2025-66580?

dive: upgrade to 0.11.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-66580 being exploited?

CVE-2025-66580 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-66580 affect?

CVE-2025-66580 affects dive. Severity is critical (CVSS 9.6). Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. A critical Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 0.11.1 in the Mermaid diagram rendering componen

Q: How urgent is CVE-2025-66580?

Priority 50/100. Critical severity; Public exploit reference

This month

CRITICAL 9.6UPGRADE

CVE-2025-66580 is a critical-severity flaw (CVSS 9.6) affecting dive. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. A critical Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 0.11.1 in the Mermaid diagram rendering component. The application allows the execution of arbitrary JavaScript via `javascript:`. An attacker can exploit this to inject a malicious Model Context Protocol (MCP) server configuration, leading to Remote Code Ex

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-94, CWE-79
Published	2025-12-19
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: openagentplatform

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-19 17:15 UTCPublished CVE record published
2026-06-17 09:57 UTCUpdated Record last modified

openagentplatform dive UPGRADE

Affected: < 0.11.1

Fixed in: 0.11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dive || rpm -q dive || dive --version

2. UPGRADE to 0.11.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dive

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dive

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-66580?

dive: upgrade to 0.11.1. Exact commands for each OS are on this page.

Is CVE-2025-66580 being exploited?

CVE-2025-66580 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-66580 affect?

CVE-2025-66580 affects dive. Severity is critical (CVSS 9.6). Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. A critical Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 0.11.1 in the Mermaid diagram rendering componen

How urgent is CVE-2025-66580?

Priority 50/100. Critical severity; Public exploit reference

Related CVEs

CVE-2026-23523 CRITICAL 9.6 UPGRADE Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs
CVE-2025-58176 HIGH 8.8 UPGRADE Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs

References

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