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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2026-92128

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-92128
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:29 UTC · Revision 1

Source evidence

CVE-2026-92128

core-osv · Original source

Published 16 Sept 2026, 14:17 UTC

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

osv:CVE-2026-92128
Complete source record
{
  "id": "d4f90d662be8e8439ff9ec605b45a743db25804a940252fb90548a34d191084e",
  "url": "https://osv.dev/vulnerability/CVE-2026-92128",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-92128",
    "summary": "Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.",
    "evidence": "osv:CVE-2026-92128",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-92128",
      "aliases": [
        "CVE-2026-92128"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/script-security-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9af9b3ac253d90979bd6a3eec6e979d04ca2b5d1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:script_security:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1415.v9a_f9b_3a_c253d"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1415.v9a_f9b_3a_c253d",
            "1412.v7737b_3405f86",
            "1402.v94c9ce464861",
            "1399.ve6a_66547f6e1",
            "1385.v7d2d9ec4d909",
            "1378.vf25626395f49",
            "1373.vb_b_4a_a_c26fa_00",
            "1369.v9b_98a_4e95b_2d",
            "1368.vb_b_402e3547e7",
            "1365.v4778ca_84b_de5",
            "1362.v67dc1f0e1b_b_3",
            "1367.vdf2fc45f229c",
            "1366.vd44b_49a_5c85c",
            "1361.v913100720139",
            "1358.vb_26663c13537",
            "1354.va_70a_fe478c7f",
            "1341.va_2819b_414686",
            "1336.vf33a_a_9863911",
            "1335.vf07d9ce377a_e",
            "1326.vdb_c154de8669",
            "1321.va_73c0795b_923",
            "1313.v7a_6067dc7087",
            "1310.vf24a_dfce068b_",
            "1305.v487433146192",
            "1301.v0079b_cd0cdfa_",
            "1294.v99333c047434",
            "1281.v22fb_899df1a_e",
            "1275.v23895f409fb_d",
            "1274.v2b_33362a_f2f5",
            "1273.v66c1964f0dfd",
            "1271.vdede89739a_81",
            "1269.v639888f5e366",
            "1265.va_fb_290b_4b_d34",
            "1264.vecf66020eb_7d",
            "1251.vfe552ed55f8d",
            "1244.ve463715a_f89c",
            "1229.v4880b_b_e905a_6",
            "1228.vd93135a_2fb_25",
            "1218.v39ca_7f7ed0a_c",
            "1209.v50b_005db_19db",
            "1190.v65867a_a_47126",
            "1189.vb_a_b_7c8fd5fde",
            "1184.v85d16b_d851b_3",
            "1183.v774b_0b_0a_a_451",
            "1175.v4b_d517d6db_f0",
            "1172.v35f6a_0b_8207e",
            "1145.vb_cf6cf6ed960",
            "1158.v7c1b_73a_69a_08",
            "1146.vdf547f19a_473",
            "1140.vf967fb_efa_55a_",
            "1138.v8e727069a_025",
            "1131.v8b_b_5eda_c328e",
            "1125.v132f99385e1b_",
            "1118.vba21ca2e3286",
            "script-security-1.78",
            "script-security-1.77",
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            "script-security-1.22",
            "script-security-1.21",
            "script-security-1.20",
            "script-security-1.19",
            "script-security-1.18",
            "script-security-1.17",
            "script-security-1.16",
            "script-security-1.15",
            "script-security-1.14",
            "script-security-1.13",
            "script-security-1.12",
            "script-security-1.11",
            "script-security-1.10",
            "script-security-1.9",
            "script-security-1.8",
            "script-security-1.7",
            "script-security-1.6",
            "script-security-1.5",
            "script-security-1.4",
            "script-security-1.3",
            "script-security-1.2",
            "script-security-1.1",
            "script-security-1.0",
            "script-security-1.0-beta-6",
            "script-security-1.0-beta-5",
            "script-security-1.0-beta-4",
            "script-security-1.0-beta-3",
            "script-security-1.0-beta-2",
            "script-security-1.0-beta-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92128.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:29.380211527Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2026-09-16/#SECURITY-3932"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-92128",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432312,
  "published_at": "2026-09-16T14:17:14.817+00:00"
}