How severe is CVE-2026-4828?

CVE-2026-4828 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-4828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4828?

CVE-2026-4828 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4828?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-4828 have an EU (EUVD) identifier?

Yes. CVE-2026-4828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17919.

When was CVE-2026-4828 published?

CVE-2026-4828 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2026-4828

CVE-2026-4828 is a high-severity vulnerability in Devolutions Devolutions Server with a CVSS 3.x base score of 8.2. 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-1390.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17919
Weakness: CWE-1390
Affected product: Devolutions Devolutions Server
Published: 2026-04-01
Last modified: 2026-06-17

Description

Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multi-factor authentication via a crafted login request.

Frequently asked questions

What is CVE-2026-4828?: Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multi-factor authentication via a crafted login request.
How severe is CVE-2026-4828?: CVE-2026-4828 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-4828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4828?: CVE-2026-4828 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-4828 have an EU (EUVD) identifier?: Yes. CVE-2026-4828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17919.
When was CVE-2026-4828 published?: CVE-2026-4828 was published on 2026-04-01 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/DEVO-2026-0010

Affected products (1)

cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*

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