CVE-2026-3224

CVE-2026-3224 is a critical-severity vulnerability in Devolutions Devolutions Server with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Description

Authentication bypass in the Microsoft Entra ID (Azure AD) authentication mode in Devolutions Server 2025.3.15.0 and earlier allows an unauthenticated user to authenticate as an arbitrary Entra ID user via a forged JSON Web Token (JWT).

Frequently asked questions

What is CVE-2026-3224?
Authentication bypass in the Microsoft Entra ID (Azure AD) authentication mode in Devolutions Server 2025.3.15.0 and earlier allows an unauthenticated user to authenticate as an arbitrary Entra ID user via a forged JSON Web Token (JWT).
How severe is CVE-2026-3224?
CVE-2026-3224 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-3224 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3224?
CVE-2026-3224 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3224?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-3224 have an EU (EUVD) identifier?
Yes. CVE-2026-3224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9338.
When was CVE-2026-3224 published?
CVE-2026-3224 was published on 2026-03-03 and last updated on 2026-06-17.

References

Affected products (1)

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