FKIE_CVE-2026-9245

Vulnerability from fkie_nvd - Published: 2026-05-22 16:16 - Updated: 2026-05-22 19:05
Severity
5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Summary
Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : * Devolutions Server 2026.1.6.0 through 2026.1.16.0 * Devolutions Server 2025.3.20.0 and earlier
References
security@devolutions.nethttps://devolutions.net/security/advisories/DEVO-2026-0013/Vendor Advisory
Impacted products
Vendor Product Version
devolutions devolutions_server *
devolutions devolutions_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E689234-ABCB-49B5-AD17-00C2E2FC3B11",
              "versionEndExcluding": "2025.3.22.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "02811CA7-5B80-47D7-B826-18B3CB1213E9",
              "versionEndExcluding": "2026.1.19.0",
              "versionStartIncluding": "2026.1.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier"
    }
  ],
  "id": "CVE-2026-9245",
  "lastModified": "2026-05-22T19:05:13.680",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-22T16:16:25.400",
  "references": [
    {
      "source": "security@devolutions.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://devolutions.net/security/advisories/DEVO-2026-0013/"
    }
  ],
  "sourceIdentifier": "security@devolutions.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ],
      "source": "security@devolutions.net",
      "type": "Secondary"
    }
  ]
}


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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.