Medium severity · published May 12, 2026
CVE-2026-5146
Improper access control in the notification management endpoints in Devolutions Server allows an unauthenticated attacker to modify or delete arbitrary user notification records…
4.3
CVSS
0.2%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Server · Devolutions
2026.1.6.0 through 2026.1.15.0; through 2025.3.19.0 · source: vendor
DS
Devolutions Server · Devolutions
before 2025.3.20.0; 2026.1.6.0 before 2026.1.16.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5146
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5146
Vendor Advisory
https://devolutions.net/security/advisories/DEVO-2026-0012
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