« Volver al listado

CVE-2026-27100

Estado: AnalizadaMedia (4.3)—

Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.

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 (1)

Jenkins — Jenkins

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-27100",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-27100",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-18T14:50:38.503514Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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": "jenkinsci-cert@googlegroups.com",
      "affectedData": [
        {
          "vendor": "Jenkins Project",
          "product": "Jenkins",
          "versions": [
            {
              "status": "unaffected",
              "version": "2.551",
              "lessThan": "*",
              "versionType": "maven"
            },
            {
              "status": "unaffected",
              "version": "2.541.2",
              "lessThan": "2.541.*",
              "versionType": "maven"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-02-18T15:18:43.967",
  "references": [
    {
      "url": "https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name."
    },
    {
      "lang": "es",
      "value": "Jenkins 2.550 y anteriores, LTS 2.541.1 y anteriores acepta valores de parámetros de ejecución que hacen referencia a compilaciones a las que el usuario que envía la compilación no tiene acceso, permitiendo a atacantes con permiso de Elemento/Compilación y Elemento/Configurar obtener información sobre la existencia de trabajos, la existencia de compilaciones, y si una compilación especificada existe, su nombre de visualización."
    }
  ],
  "lastModified": "2026-06-17T10:26:40.633",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1BA732A2-5EA7-4C70-AF40-4E696689C4F7",
              "versionEndExcluding": "2.541.2"
            },
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D2F2C2E-E436-4367-B067-C8E6CE7ECBD8",
              "versionEndExcluding": "2.551"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}