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CVE-2026-44374

Estado: AnalizadaMedia (4.3)—

Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Linuxfoundation — Backstage/plugin-catalog-backend-module-unprocessedLinuxfoundation — Backstage/plugin-catalog-unprocessed-entitiesLinuxfoundation — Backstage/plugin-catalog-unprocessed-entities-common

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-44374",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-44374",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-14T16:02:43.037594Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "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-advisories@github.com",
      "affectedData": [
        {
          "vendor": "@backstage",
          "product": "plugin-catalog-backend-module-unprocessed",
          "versions": [
            {
              "status": "affected",
              "version": "< 0.6.11"
            }
          ]
        },
        {
          "vendor": "@backstage",
          "product": "plugin-catalog-unprocessed-entities",
          "versions": [
            {
              "status": "affected",
              "version": "< 0.2.30"
            }
          ]
        },
        {
          "vendor": "@backstage",
          "product": "plugin-catalog-unprocessed-entities-common",
          "versions": [
            {
              "status": "affected",
              "version": "< 0.0.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-14T15:16:48.250",
  "references": [
    {
      "url": "https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30."
    }
  ],
  "lastModified": "2026-06-17T10:50:34.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "109B2D64-CFBC-4239-AF3A-1BF91F63B6F5",
              "versionEndExcluding": "0.6.11"
            },
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              "vulnerable": true,
              "matchCriteriaId": "62811CDB-F9EE-48A5-BE85-0A298D696634",
              "versionEndExcluding": "0.2.30"
            },
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          "operator": "OR"
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  "sourceIdentifier": "security-advisories@github.com"
}