CVE-2026-5146 (GCVE-0-2026-5146)

Vulnerability from cvelistv5 – Published: 2026-05-12 17:28 – Updated: 2026-05-13 16:01
VLAI?
Summary
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
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Devolutions Server Affected: 2026.1.6.0 , ≤ 2026.1.15.0 (custom)
Affected: 0 , ≤ 2025.3.19.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-5146",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T16:01:03.701737Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T16:01:19.326Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Server",
          "vendor": "Devolutions",
          "versions": [
            {
              "lessThanOrEqual": "2026.1.15.0",
              "status": "affected",
              "version": "2026.1.6.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "2025.3.19.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cp\u003eImproper 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.\u003c/p\u003e\u003cp\u003eThis issue affects the following versions :\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eDevolutions Server 2026.1.6.0 through 2026.1.15.0\u003c/p\u003e\u003c/li\u003e\u003cli\u003e\u003cp\u003eDevolutions Server 2025.3.19.0 and earlier\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e"
            }
          ],
          "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"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-12T17:28:21.264Z",
        "orgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
        "shortName": "DEVOLUTIONS"
      },
      "references": [
        {
          "url": "https://devolutions.net/security/advisories/DEVO-2026-0012"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
    "assignerShortName": "DEVOLUTIONS",
    "cveId": "CVE-2026-5146",
    "datePublished": "2026-05-12T17:28:21.264Z",
    "dateReserved": "2026-03-30T13:23:11.124Z",
    "dateUpdated": "2026-05-13T16:01:19.326Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-5146",
      "date": "2026-05-22",
      "epss": "0.00021",
      "percentile": "0.06321"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-5146\",\"sourceIdentifier\":\"security@devolutions.net\",\"published\":\"2026-05-12T18:17:32.177\",\"lastModified\":\"2026-05-13T16:17:01.633\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security@devolutions.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://devolutions.net/security/advisories/DEVO-2026-0012\",\"source\":\"security@devolutions.net\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"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\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-5146\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-13T16:01:03.701737Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-13T16:01:13.752Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"affected\": [{\"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\"}], \"references\": [{\"url\": \"https://devolutions.net/security/advisories/DEVO-2026-0012\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"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\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cp\u003eImproper 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.\u003c/p\u003e\u003cp\u003eThis issue affects the following versions :\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eDevolutions Server 2026.1.6.0 through 2026.1.15.0\u003c/p\u003e\u003c/li\u003e\u003cli\u003e\u003cp\u003eDevolutions Server 2025.3.19.0 and earlier\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"CWE-862: Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"bfee16bd-18e6-446c-9a65-f5b2e3d89c23\", \"shortName\": \"DEVOLUTIONS\", \"dateUpdated\": \"2026-05-12T17:28:21.264Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5146\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-13T16:01:19.326Z\", \"dateReserved\": \"2026-03-30T13:23:11.124Z\", \"assignerOrgId\": \"bfee16bd-18e6-446c-9a65-f5b2e3d89c23\", \"datePublished\": \"2026-05-12T17:28:21.264Z\", \"assignerShortName\": \"DEVOLUTIONS\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.