Skip to content
Heist/ feed
Back to feed
Low

Fleet: Authorization Bypass in certificate template batch deletion for team administrators

Type: advisorySources: OSV

Fleet is open source device management software. In versions prior to 4.80.1, a broken authorization check in Fleet’s certificate template deletion API could allow a team administrator to delete certificate templates belonging to other teams within the same Fleet instance. Fleet supports certificate templates that are scoped to individual teams. In affected versions, the batch deletion endpoint validated authorization using a user-supplied team identifier but did not verify that the certificate template IDs being deleted actually belonged to that team. As a result, a team administrator could delete certificate templates associated with other teams, potentially disrupting certificate-based workflows such as device enrollment, Wi-Fi authentication, VPN access, or other certificate-dependent configurations for the affected teams. This issue does not allow privilege escalation, access to sensitive data, or compromise of Fleet’s control plane. Impact is limited to integrity and availability of certificate templates across teams. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should restrict access to certificate template management to trusted users and avoid delegating team administrator permissions where not strictly required.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-25963
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 17:15 UTC · Revision 1

Source evidence

Fleet: Authorization Bypass in certificate template batch deletion for team administrators

core-osv · Original source

Published 26 Feb 2026, 02:49 UTC

Fleet is open source device management software. In versions prior to 4.80.1, a broken authorization check in Fleet’s certificate template deletion API could allow a team administrator to delete certificate templates belonging to other teams within the same Fleet instance. Fleet supports certificate templates that are scoped to individual teams. In affected versions, the batch deletion endpoint validated authorization using a user-supplied team identifier but did not verify that the certificate template IDs being deleted actually belonged to that team. As a result, a team administrator could delete certificate templates associated with other teams, potentially disrupting certificate-based workflows such as device enrollment, Wi-Fi authentication, VPN access, or other certificate-dependent configurations for the affected teams. This issue does not allow privilege escalation, access to sensitive data, or compromise of Fleet’s control plane. Impact is limited to integrity and availability of certificate templates across teams. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should restrict access to certificate template management to trusted users and avoid delegating team administrator permissions where not strictly required.

osv:CVE-2026-25963
Complete source record
{
  "id": "86acfa4bedc989c6bd466fb6ef51069177a9817f5bc702c926360102e9188900",
  "url": "https://osv.dev/vulnerability/CVE-2026-25963",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fleet: Authorization Bypass in certificate template batch deletion for team administrators",
    "summary": "Fleet is open source device management software. In versions prior to 4.80.1, a broken authorization check in Fleet’s certificate template deletion API could allow a team administrator to delete certificate templates belonging to other teams within the same Fleet instance. Fleet supports certificate templates that are scoped to individual teams. In affected versions, the batch deletion endpoint validated authorization using a user-supplied team identifier but did not verify that the certificate template IDs being deleted actually belonged to that team. As a result, a team administrator could delete certificate templates associated with other teams, potentially disrupting certificate-based workflows such as device enrollment, Wi-Fi authentication, VPN access, or other certificate-dependent configurations for the affected teams. This issue does not allow privilege escalation, access to sensitive data, or compromise of Fleet’s control plane. Impact is limited to integrity and availability of certificate templates across teams. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should restrict access to certificate template management to trusted users and avoid delegating team administrator permissions where not strictly required.",
    "evidence": "osv:CVE-2026-25963",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-25963",
      "aliases": [
        "CVE-2026-25963",
        "GHSA-5jvp-m9h4-253h",
        "GO-2026-4561"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fleetdm/fleet",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5c2a408a4ddb0866a8393159fe71abec5f450e6d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.80.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.80.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.80.0",
            "fleet-v4.80.0",
            "fleetctl-docker-deps-20260113",
            "fleetd-android-v1.0.0",
            "fleetctl-docker-deps-v4.76.1",
            "orbit-v1.50.0",
            "orbit-v1.49.0",
            "orbit-v1.48.0",
            "orbit-v1.45.0",
            "orbit-v1.43.0",
            "orbit-v1.42.0",
            "orbit-v1.41.0",
            "rc-fleetctl-test-v4.63.0",
            "tf-mod-addon-monitoring-v1.5.1",
            "tf-mod-addon-monitoring-v1.5.0",
            "tf-mod-addon-monitoring-v1.4.1",
            "tf-mod-addon-ses-v1.2.0",
            "fleetctl-docker-deps-v4.60.0",
            "tf-mod-root-v1.9.2",
            "tf-mod-byo-ecs-v1.8.1",
            "tf-mod-addon-mdmproxy-v1.0.1",
            "tf-mod-addon-saml-auth-proxy-v1.3.0",
            "tf-mod-addon-ses-v1.1.0",
            "tf-mod-root-v1.11.1",
            "tf-mod-byo-vpc-v1.12.1",
            "tf-mod-addon-waf-alb-v2.0.0",
            "tf-mod-root-v1.11.0",
            "tf-mod-byo-vpc-v1.12.0",
            "tf-mod-byo-ecs-v1.8.0",
            "tf-mod-byo-db-v1.9.0",
            "tf-mod-addon-mdmproxy-v1.0.0",
            "tf-mod-root-v1.10.0",
            "tf-mod-byo-vpc-v1.11.0",
            "tf-mod-byo-ecs-v1.7.0",
            "tf-mod-byo-db-v1.8.0",
            "tf-mod-addon-byo-kinesis-logging-destination-kinesis-v1.0.1",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v2.0.3",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v2.0.2",
            "tf-mod-addon-osquery-carve-v1.1.0",
            "tf-mod-addon-osquery-carve-split-account-split-account-v1.1.0",
            "tf-mod-addon-osquery-carve-split-account-osquery-carve-v1.1.0",
            "tf-mod-addon-byo-file-carving-v1.1.0",
            "tf-mod-addon-byo-file-carving-target-account-v1.1.0",
            "tf-mod-root-v1.9.1",
            "tf-mod-byo-vpc-v1.10.1",
            "tf-mod-byo-ecs-v1.6.1",
            "tf-mod-byo-db-v1.7.1",
            "tf-mod-root-v1.9.0",
            "tf-mod-byo-vpc-v1.10.0",
            "tf-mod-byo-ecs-v1.6.0",
            "tf-mod-byo-db-v1.7.0",
            "tf-mod-addon-external-vuln-scans-v2.2.0",
            "fleet-v4.51.0",
            "tf-mod-addon-byo-kinesis-logging-destination-target-account-v1.0.0",
            "tf-mod-addon-byo-kinesis-logging-destination-kinesis-v1.0.0",
            "fleet-v4.50.0",
            "tf-mod-root-v1.8.0",
            "tf-mod-byo-vpc-v1.9.0",
            "tf-mod-byo-ecs-v1.5.0",
            "tf-mod-byo-db-v1.6.0",
            "tf-mod-addon-external-vuln-scans-v2.1.0",
            "fleetd-chrome-v1.3.1",
            "tf-mod-addon-byo-file-carving-v1.0.0",
            "tf-mod-addon-byo-file-carving-target-account-v1.0.0",
            "tf-mod-addon-monitoring-v1.4.0",
            "fleetd-chrome-v1.3.0",
            "fleet-v4.49.0",
            "tf-mod-root-v1.7.3",
            "tf-mod-byo-vpc-v1.8.3",
            "tf-mod-addon-logging-destination-firehose-v1.1.1",
            "fleet-v4.48.0",
            "fleetd-chrome-v1.2.1-beta",
            "tf-mod-root-v1.7.2",
            "tf-mod-byo-vpc-v1.8.2",
            "tf-mod-addon-saml-auth-proxy-v1.2.0",
            "tf-mod-addon-monitoring-v1.3.0",
            "tf-mod-addon-monitoring-v1.2.0",
            "fleet-v4.47.0",
            "tf-mod-addon-mdm-v2.0.0",
            "tf-mod-addon-migrations-v2.0.1",
            "tf-mod-addon-external-vuln-scans-v2.0.2",
            "tf-mod-addon-osquery-carve-v1.0.1",
            "fleet-v4.45.0",
            "fleetd-chrome-v1.2.0-beta",
            "fleetd-chrome-v1.2.0",
            "tf-mod-addon-external-vuln-scans-v2.0.1",
            "tf-mod-root-v1.7.1",
            "tf-mod-byo-vpc-v1.8.1",
            "tf-mod-byo-ecs-v1.4.1",
            "tf-mod-byo-db-v1.5.1",
            "tf-mod-addon-external-vuln-scans-v2.0.0",
            "fleetd-chrome-v1.1.3-beta",
            "fleetd-chrome-v1.1.3",
            "v4.43.4",
            "fleetd-chrome-v1.1.1-beta",
            "fleet-v4.40.0",
            "fleetd-chrome-v1.1.0-beta",
            "fleet-v4.43.0",
            "orbit-v1.20.0",
            "tf-mod-root-v1.7.0",
            "tf-mod-byo-vpc-v1.8.0",
            "tf-mod-byo-db-v1.5.0",
            "tf-mod-byo-db-v1.4.0",
            "tf-mod-addon-migrations-v2.0.0",
            "tf-mod-addon-mdm-v1.5.0",
            "tf-mod-addon-geolite2-v1.0.0",
            "fleet-v4.41.0",
            "tf-mod-root-v1.6.1",
            "tf-mod-byo-vpc-v1.7.1",
            "tf-mod-byo-db-v1.3.2",
            "tf-mod-addon-monitoring-v1.1.3",
            "tf-mod-root-v1.6.0",
            "tf-mod-byo-vpc-v1.7.0",
            "tf-mod-addon-logging-destination-firehose-v1.1.0",
            "tf-mod-addon-logging-alb-v1.2.0",
            "orbit-v1.18.3",
            "tf-mod-addon-monitoring-v1.1.2",
            "orbit-v1.18.2",
            "orbit-v1.18.0-RC",
            "orbit-test-build",
            "fleet-v4.39.0",
            "tf-mod-addon-mdm-v1.4.1",
            "tf-mod-addon-monitoring-v1.1.1",
            "tf-mod-addon-monitoring-v1.1.0",
            "tf-mod-root-v1.5.1",
            "tf-mod-byo-vpc-v1.6.1",
            "tf-mod-byo-db-v1.3.1",
            "tf-mod-root-v1.5.0",
            "tf-mod-byo-vpc-v1.6.0",
            "tf-mod-addon-mdm-v1.4.0",
            "tf-mod-addon-vuln-processing-v1.1.0",
            "fleet-v4.38.0",
            "tf-mod-root-v1.4.0",
            "tf-mod-byo-vpc-v1.5.0",
            "tf-mod-byo-ecs-v1.4.0",
            "tf-mod-byo-db-v1.3.0",
            "tf-mod-addon-saml-auth-proxy-v1.0.0",
            "tf-mod-addon-saml-auth-proxy-v1.1.0",
            "v4.36.0",
            "orbit-v1.15.0",
            "fleet-v4.36.0",
            "orbit-v1.17.0",
            "v4.37.0",
            "fleet-v4.37.0",
            "orbit-v1.16.0",
            "orbit-v1.16.0-2",
            "tf-mod-addon-mdm-v1.3.0",
            "tf-mod-root-v1.3.0",
            "tf-mod-byo-vpc-v1.4.0",
            "tf-mod-byo-ecs-v1.3.0",
            "tf-mod-byo-db-v1.2.0",
            "tf-mod-root-v1.2.0",
            "tf-mod-byo-vpc-v1.3.0",
            "tf-mod-addon-external-vuln-scans-v1.0.0",
            "orbit-v1.14.0",
            "fleet-v4.35.0",
            "tf-mod-addon-mdm-v1.2.2",
            "tf-mod-addon-mdm-v1.2.1",
            "tf-mod-addon-mdm-v1.2.0",
            "tf-mod-byo-vpc-v1.2.0",
            "tf-mod-byo-ecs-v1.2.0",
            "orbit-v1.13.0",
            "fleet-v4.34.0",
            "orbit-v1.12.1",
            "orbit-v1.12.0",
            "tf-mod-root-v1.1.1",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v2.0.1",
            "fleet-v4.33.0",
            "tf-mod-addon-logging-alb-v1.1.1",
            "tf-mod-addon-logging-alb-v1.1.0",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v2.0.0",
            "tf-mod-addon-logging-alb-v1.0.2",
            "tf-mod-addon-logging-alb-v1.0.1",
            "orbit-v1.11.0",
            "fleet-v4.32.0",
            "tf-mod-root-v1.1.0",
            "tf-mod-byo-vpc-v1.1.0",
            "tf-mod-byo-ecs-v1.1.0",
            "tf-mod-byo-db-v1.1.0",
            "tf-mod-addon-waf-alb-v1.0.0",
            "tf-mod-addon-vuln-processing-v1.0.0",
            "tf-mod-addon-ses-v1.0.0",
            "tf-mod-addon-osquery-perf-v1.0.0",
            "tf-mod-addon-osquery-carve-v1.0.0",
            "tf-mod-addon-osquery-carve-split-account-split-account-v1.0.0",
            "tf-mod-addon-osquery-carve-split-account-osquery-carve-v1.0.0",
            "tf-mod-addon-monitoring-v1.0.0",
            "tf-mod-addon-mdm-v1.1.0",
            "tf-mod-addon-logging-alb-v1.0.0",
            "tf-mod-addon-byo-firehose-logging-destination-target-account-v1.1.0",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v1.1.0",
            "tf-mod-addon-bfldf-v1.1.0",
            "fleet-v4.31.0",
            "orbit-v1.10.0",
            "fleet-v4.30.0",
            "orbit-v1.9.1",
            "v4.28.0",
            "fleet-v4.28.0",
            "orbit-v1.9.0",
            "fleet-v4.29.0",
            "tf-mod-addon-mdm-v1.0.0",
            "orbit-v1.8.0",
            "tf-mod-root-v1.0.0",
            "tf-mod-byo-vpc-v1.0.0",
            "tf-mod-byo-ecs-v1.0.0",
            "tf-mod-byo-db-v1.0.0",
            "tf-mod-addon-migrations-v1.0.0",
            "tf-mod-addon-logging-destination-firehose-v1.0.0",
            "tf-mod-addon-byo-firehose-logging-destination-target-account-v1.0.0",
            "tf-mod-addon-byo-firehose-logging-destination-firehose-v1.0.0",
            "orbit-v1.7.0",
            "fleet-v4.27.0",
            "fleet-v4.26.0",
            "orbit-v1.5.0",
            "fleet-v4.25.0",
            "orbit-v1.4.1",
            "fleet-v4.24.0",
            "orbit-v1.4.0",
            "orbit-v1.4.0-rc",
            "fleet-v4.23.0",
            "orbit-v1.3.0-rc",
            "orbit-v1.3.0",
            "fleet-v4.22.0",
            "orbit-v1.2.0-rc1",
            "fleet-v4.20.0",
            "fleet-v4.19.0",
            "orbit-v1.1.0",
            "fleet-v4.18.0",
            "fleet-v4.17.0",
            "orbit-v1.0.0",
            "fleet-v4.16.0",
            "orbit-v0.0.13",
            "fleet-v4.15.0",
            "orbit-v0.0.12",
            "orbit-v0.0.11",
            "fleet-v4.14.0",
            "orbit-v0.0.9",
            "fleet-v4.13.0",
            "fleet-v4.12.0",
            "v0.0.7",
            "orbit-v0.0.7",
            "fleet-v4.11.0",
            "fleet-v4.10.0",
            "v0.0.6",
            "orbit-v0.0.6",
            "fleet-v4.8.0",
            "v0.0.5",
            "v0.0.4",
            "orbit-v0.0.5",
            "orbit-v0.0.4",
            "fleet-v4.7.0",
            "fleet-v4.6.1",
            "fleet-v4.6.0",
            "fleet-v4.5.0",
            "fleet-v4.4.0",
            "fleet-v4.3.1",
            "fleet-v4.3.0",
            "fleet-v4.2.2",
            "fleet-v4.2.0",
            "v4.1.0",
            "v4.0.1",
            "v4.0.0",
            "v4.0.0-rc3",
            "3.13.0",
            "3.12.0",
            "3.11.0",
            "3.10.1",
            "3.10.0",
            "3.9.0",
            "3.8.0",
            "3.7.3",
            "3.7.1",
            "3.7.2",
            "3.7.0",
            "3.6.0",
            "3.5.1",
            "3.5.0",
            "3.4.0",
            "3.3.0",
            "3.2.0",
            "3.1.0",
            "3.0.0",
            "2.6.0",
            "2.5.0",
            "2.4.0",
            "2.3.0",
            "2.2.0",
            "2.1.2",
            "2.1.1",
            "2.1.0",
            "2.0.2",
            "2.0.1",
            "2.0.0",
            "2.0.0-rc5",
            "2.0.0-rc4",
            "2.0.0-rc3",
            "2.0.0-rc2",
            "2.0.0-rc1",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "1.0.0-rc2",
            "1.0.0-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25963.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.670102888Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25963.json",
        "https://github.com/fleetdm/fleet/security/advisories/GHSA-5jvp-m9h4-253h",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-25963"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25963.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-25963",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505223,
  "published_at": "2026-02-26T02:49:21.223+00:00"
}