What is CVE-2026-54320?

CVE-2026-54320 is a high-severity vulnerability in Daytonaio Daytona, classified under Improper Authentication. CVSS score: 8.4/10. Published 2026-06-23.

How severe is CVE-2026-54320?

High severity. CVSS v3 base score is 8.4 out of 10.

Auth bypass in Daytonaio Daytona

CVE-2026-54320

Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.184.0, organization invitations could be accepted (and declined) by a user whose email matched the invitation but had no…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L.

Affected products

Daytonaio Daytona — versions < 0.184.0

Weakness classification (CWE)

CWE-287 — Improper Authentication
CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54320?: CVE-2026-54320 is a high-severity vulnerability in Daytonaio Daytona, classified under Improper Authentication. CVSS score: 8.4/10. Published 2026-06-23.
How severe is CVE-2026-54320?: High severity. CVSS v3 base score is 8.4 out of 10.