How severe is CVE-2026-54324?

CVE-2026-54324 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-54324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-54324?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-54324 have an EU (EUVD) identifier?

Yes. CVE-2026-54324 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38562.

When was CVE-2026-54324 published?

CVE-2026-54324 was published on 2026-06-23 and last updated on 2026-06-25.

CVE-2026-54324

CVE-2026-54324 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38562
Weakness: CWE-639
Published: 2026-06-23
Last modified: 2026-06-25

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.

Frequently asked questions

What is CVE-2026-54324?: 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.
How severe is CVE-2026-54324?: CVE-2026-54324 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-54324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-54324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-54324 have an EU (EUVD) identifier?: Yes. CVE-2026-54324 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38562.
When was CVE-2026-54324 published?: CVE-2026-54324 was published on 2026-06-23 and last updated on 2026-06-25.

References

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

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