CVE-2026-54324

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

State: Published
Severity: 6.5 Medium
Published: Jun 23, 2026
Updated: Jun 25, 2026
Reserved: Jun 12, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key
CWE-863 Incorrect Authorization

Affected Products

Product	Versions
daytonadaytonaio	< 0.185.0Affected

References

https://github.com/daytonaio/daytona/security/advisories/GHSA-qwxf-2m7m-2m3x

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.