What is CVE-2026-44467?

CVE-2026-44467 is a medium-severity vulnerability in Anthropic Claude_desktop, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 6.8/10. Published 2026-05-13.

How severe is CVE-2026-44467?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Anthropic Claude_desktop

CVE-2026-44467

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname ex…

EPSS: 0.000 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Anthropic Claude_desktop
Anthropics Claude-code — versions >= 1.2581.0, < 1.4304.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44467?: CVE-2026-44467 is a medium-severity vulnerability in Anthropic Claude_desktop, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 6.8/10. Published 2026-05-13.
How severe is CVE-2026-44467?: Medium severity. CVSS v3 base score is 6.8 out of 10.