FKIE_CVE-2026-27100

Vulnerability from fkie_nvd - Published: 2026-02-18 15:18 - Updated: 2026-02-20 20:53
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
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.
References
jenkinsci-cert@googlegroups.comhttps://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658Vendor Advisory
Impacted products
Vendor Product Version
jenkins jenkins *
jenkins jenkins *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
              "matchCriteriaId": "1BA732A2-5EA7-4C70-AF40-4E696689C4F7",
              "versionEndExcluding": "2.541.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "2D2F2C2E-E436-4367-B067-C8E6CE7ECBD8",
              "versionEndExcluding": "2.551",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 par\u00e1metros de ejecuci\u00f3n que hacen referencia a compilaciones a las que el usuario que env\u00eda la compilaci\u00f3n no tiene acceso, permitiendo a atacantes con permiso de Elemento/Compilaci\u00f3n y Elemento/Configurar obtener informaci\u00f3n sobre la existencia de trabajos, la existencia de compilaciones, y si una compilaci\u00f3n especificada existe, su nombre de visualizaci\u00f3n."
    }
  ],
  "id": "CVE-2026-27100",
  "lastModified": "2026-02-20T20:53:16.173",
  "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"
      }
    ]
  },
  "published": "2026-02-18T15:18:43.967",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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