Is CVE-2026-5146 in the CISA KEV catalog?

No. CVE-2026-5146 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5146?

CVE-2026-5146 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-5146?

CVE-2026-5146 has an EPSS score of 0.16% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5146?

Upgrade devolutions server to 2026.1.16.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-5146

MEDIUM

4.3

CVSS v3

NVD

Description

Improper access control in the notification management endpoints in Devolutions Server allows an unauthenticated attacker to modify or delete arbitrary user notification records via missing session validation. This issue affects the following versions : * Devolutions Server 2026.1.6.0 through 2026.1.15.0 * Devolutions Server 2025.3.19.0 and earlier

CWE-862Missing Authorization

How to fix

Remediation Available

devolutions serverNVD

Affected:>= 2026.1.6.0, < 2026.1.16.0Fixed in:2026.1.16.0CVE-2026-5146derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Vendor Advisory1

devolutions.net

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-26.