CVE-2026-44511

{
  "id": "CVE-2026-44511",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-14T17:16:22.760",
  "lastModified": "2026-10-26T00:10:00.150",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0."
    },
    {
      "lang": "es",
      "value": "Katalyst Koi es un framework para construir funcionalidad de administración de Rails. Antes de 4.20.0 y 5.6.0, las cookies de sesión de administrador no se invalidaban cuando un usuario administrador cerraba sesión. Un atacante con acceso a una cookie de sesión de administrador válida podría seguir accediendo a la funcionalidad de administración después de cerrar sesión, hasta que la cookie expirara o se rotaran los secretos de sesión. Esta vulnerabilidad está corregida en 4.20.0 y 5.6.0."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "katalyst",
          "product": "koi",
          "versions": [
            {
              "version": "< 4.20.0",
              "status": "affected"
            },
            {
              "version": ">= 5.0.0 <= 5.6.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-14T18:33:52.395978Z",
          "id": "CVE-2026-44511",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/katalyst/koi/security/advisories/GHSA-4cx3-3c38-j9vv",
      "source": "[email protected]"
    }
  ]
}