{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.0.13"
              },
              {
                "fixed": "9.0.117"
              },
              {
                "introduced": "10.1.0"
              },
              {
                "fixed": "10.1.54"
              },
              {
                "introduced": "11.0.0"
              },
              {
                "fixed": "11.0.21"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "706a395be7c34414d04739de69bde986661976ec"
            },
            {
              "fixed": "f892e52577feef83aff57d34c2b4be61a5a68524"
            },
            {
              "introduced": "e9d17cddc285615807ec5fef09240777436b25dc"
            },
            {
              "fixed": "8ec9fde54ce6bda64027759389dd755b1b875edc"
            },
            {
              "introduced": "56e547d387ab49f688c93fe9ca082b1b5d94deed"
            },
            {
              "fixed": "1d6b501b493c11ee6fdebae911c67ca214e28c82"
            }
          ],
          "repo": "https://github.com/apache/tomcat",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-532"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34487.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "11.0.0-M1"
          },
          {
            "last_affected": "11.0.20"
          },
          {
            "introduced": "10.1.0-M1"
          },
          {
            "last_affected": "10.1.53"
          },
          {
            "introduced": "9.0.13"
          },
          {
            "last_affected": "9.0.116"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "11.0.0-M1"
          },
          {
            "fixed": "11.0.20"
          },
          {
            "introduced": "10.1.0-M1"
          },
          {
            "fixed": "10.1.53"
          },
          {
            "introduced": "9.0.13"
          },
          {
            "fixed": "9.0.116"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.",
  "id": "CVE-2026-34487",
  "modified": "2026-07-08T05:36:26.106346208Z",
  "published": "2026-04-09T19:36:12.048Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/09/28"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34487.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34487"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token"
}