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 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 v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://devolutions.net/security/advisories/DEVO-2026-0012	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:devolutions:devolutions_server::::::::
	cpe:2.3:a:devolutions:devolutions_server::::::::

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Un control de acceso inadecuado en los puntos finales de gestión de notificaciones en Devolutions Server permite a un atacante no autenticado modificar o eliminar registros de notificación de usuario arbitrarios debido a la falta de validación de sesión. Este problema afecta las siguientes versiones: * Devolutions Server 2026.1.6.0 hasta 2026.1.15.0 * Devolutions Server 2025.3.19.0 y anteriores

Information

Published : 2026-05-12 18:17

Updated : 2026-10-26 18:10

NVD link : CVE-2026-5146

Mitre link : CVE-2026-5146

CVE.ORG link : CVE-2026-5146

JSON object : View

Products Affected

devolutions

devolutions_server

CWE

CWE-862

Missing Authorization

{"id": "CVE-2026-5146", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5146", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-13T16:01:03.701737Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@devolutions.net", "affectedData": [{"vendor": "Devolutions", "product": "Server", "versions": [{"status": "affected", "version": "2026.1.6.0", "versionType": "custom", "lessThanOrEqual": "2026.1.15.0"}, {"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2025.3.19.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-12T18:17:32.177", "references": [{"url": "https://devolutions.net/security/advisories/DEVO-2026-0012", "tags": ["Vendor Advisory"], "source": "security@devolutions.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@devolutions.net", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "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.\n\n\n\nThis issue affects the following versions :\n\n * \n\nDevolutions Server 2026.1.6.0 through 2026.1.15.0\n\n\n * \n\nDevolutions Server 2025.3.19.0 and earlier"}, {"lang": "es", "value": "Un control de acceso inadecuado en los puntos finales de gesti\u00f3n de notificaciones en Devolutions Server permite a un atacante no autenticado modificar o eliminar registros de notificaci\u00f3n de usuario arbitrarios debido a la falta de validaci\u00f3n de sesi\u00f3n.\n\nEste problema afecta las siguientes versiones:\n\n* Devolutions Server 2026.1.6.0 hasta 2026.1.15.0\n* Devolutions Server 2025.3.19.0 y anteriores"}], "lastModified": "2026-10-26T18:10:00.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD7B670C-2346-44E8-BE4B-4324FBD12236", "versionEndExcluding": "2025.3.20.0"}, {"criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A08CC967-A298-4FA5-AC22-5B1DD5D92188", "versionEndExcluding": "2026.1.16.0", "versionStartIncluding": "2026.1.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@devolutions.net"}