gcdRadar
archive/Patch now/AIR-2026-1074
closedclosed 13 May 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-44467: Claude Desktop SSH Remote Development Verification Flaw

Claude Desktop, Claude Code

Claude Desktop versions from 1.2581.0 to before 1.4304.0 failed to properly verify SSH host keys during remote development. A network-positioned attacker could present arbitrary host keys to perform a man-in-the-middle attack.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.4
EPSS
<0.01 · top 97% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
13 May 2026
last update
13 May 2026
CVE ids
CVE-2026-44467other records

Timeline · 1

  1. 13 May 2026CVE-2026-44467: The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side.

Sources · 1

Advisories and databases

  1. 2026-05-13
    CVE-2026-44467: The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-44467

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Anthropic, Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
mitmclaude-desktop
dates
happened 13 May 2026 · first reported 13 May 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.90 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-44467: Claude Desktop SSH Remote Development Verification Flaw

https://gcdradar.vercel.app/incidents/cve-2026-44467-claude-desktop-ssh-remote-development-verific · AIR-2026-1074 · closed 2026-05-13

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-13
- AI role: Attack on AI
- Products: Claude Desktop, Claude Code
- CVE ids: CVE-2026-44467
- CVSS: 7.4

## Summary

Claude Desktop versions from 1.2581.0 to before 1.4304.0 failed to properly verify SSH host keys during remote development. A network-positioned attacker could present arbitrary host keys to perform a man-in-the-middle attack.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-13: CVE-2026-44467: The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. (https://nvd.nist.gov/vuln/detail/CVE-2026-44467)

## Sources

- 2026-05-13 NVD: CVE-2026-44467: The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. https://nvd.nist.gov/vuln/detail/CVE-2026-44467

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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