Vulnerability-Lookup

FKIE_CVE-2026-5146

Vulnerability from fkie_nvd - Published: 2026-05-12 18:17 - Updated: 2026-06-17 10:58

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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

References

	URL	Tags
	security@devolutions.net	https://devolutions.net/security/advisories/DEVO-2026-0012	Vendor Advisory

Impacted products

	Vendor	Product	Version
	devolutions	devolutions_server	*
	devolutions	devolutions_server	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ],
      "source": "security@devolutions.net"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BD7B670C-2346-44E8-BE4B-4324FBD12236",
              "versionEndExcluding": "2025.3.20.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A08CC967-A298-4FA5-AC22-5B1DD5D92188",
              "versionEndExcluding": "2026.1.16.0",
              "versionStartIncluding": "2026.1.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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"
    }
  ],
  "id": "CVE-2026-5146",
  "lastModified": "2026-06-17T10:58:29.750",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5146",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-13T16:01:03.701737Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-12T18:17:32.177",
  "references": [
    {
      "source": "security@devolutions.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://devolutions.net/security/advisories/DEVO-2026-0012"
    }
  ],
  "sourceIdentifier": "security@devolutions.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security@devolutions.net",
      "type": "Secondary"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2026-05-12 17:28 – Updated: 2026-05-13 16:01

Summary

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-13 16:01 UTC

CWE

CWE-862 - Missing Authorization

Assigner

DEVOLUTIONS mitre root

References

1 reference

URL	Tags
https://devolutions.net/security/advisories/DEVO-…

Impacted products

1 product

Vendor	Product	Version
Devolutions	Server	Affected: 2026.1.6.0 , ≤ 2026.1.15.0 (custom) Affected: 0 , ≤ 2025.3.19.0 (custom)

Show details on NVD website

JSON

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"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.