CVE-2026-54324

Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join

Published Jun 23, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification channel and passively receive that organization's events. This vulnerability is fixed in 0.185.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-qwxf-2m7m-2m3x Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Daytonaio
Daytonaio daytona
Vendors & Products Daytonaio
Daytonaio daytona
Type Values Removed Values Added
Description Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification channel and passively receive that organization's events. This vulnerability is fixed in 0.185.0.
Title Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join
Weaknesses CWE-639
CWE-863
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 25, 2026, 12:42 PM
Reserved
Jun 12, 2026, 6:42 PM
Status
Deferred
Published
Jun 23, 2026, 6:18 PM
Modified
Oct 25, 2026, 11:10 PM