{"id":"CVE-2026-68871","aliases":["EUVD-2026-55698","GHSA-qmrf-jrpr-rjx6","PYSEC-2026-3715"],"status":"published","title":"Apache Airflow Yandex provider: yandex Lockbox backend: team-scope guard bypass resolves another team's Connection or Variable","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.0036,"percentile":0.30073,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-08-10T18:18:20Z","modified":"2026-10-28T02:30:29Z","fixes":[{"ecosystem":"PyPI","package":"apache-airflow-providers-yandex","fixed_in":["4.5.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"apache-airflow-providers-yandex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"apache-airflow-providers-yandex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1"}]}],"versions":["1.0.0","1.0.0b1","1.0.0b2","1.0.0rc1","1.0.1","1.0.1rc1","2.0.0","2.0.0rc1","2.0.0rc2","2.1.0","2.1.0rc1","2.2.0","2.2.0rc1","2.2.1","2.2.1rc1","2.2.2","2.2.2rc1","2.2.3","2.2.3rc1","3.0.0","3.0.0rc1","3.0.0rc2","3.1.0","3.1.0rc1","3.1.0rc2","3.1.0rc3","3.10.0","3.10.0rc2","3.11.0","3.11.0rc1","3.11.1","3.11.1rc1","3.11.2","3.11.2rc1","3.12.0","3.12.0rc1","3.2.0","3.2.0rc1","3.2.0rc2","3.2.0rc3","3.3.0","3.3.0rc1","3.4.0","3.4.0rc1","3.5.0","3.5.0rc1","3.6.0","3.6.0rc1","3.7.0","3.7.0rc1","3.7.1","3.7.1rc1","3.8.0","3.8.0rc1","3.8.0rc2","3.9.0","3.9.0rc1","3.9.1rc1","4.0.0","4.0.0rc1","4.0.0rc2","4.0.1","4.0.1rc1","4.0.2","4.0.2rc1","4.0.3","4.0.3rc1","4.1.0","4.1.0rc1","4.1.1","4.1.1rc1","4.2.0","4.2.0rc1","4.2.1","4.2.1rc1","4.3.0","4.3.0rc1","4.3.1","4.3.1rc1","4.3.2","4.3.2rc1","4.3.3","4.3.3rc1","4.4.0","4.4.0rc1","4.4.1","4.4.1rc1","4.4.2","4.4.2rc1","4.5.0","4.5.0rc1","4.5.1rc1","4.5.1rc2"]},{"source":"osv","ecosystem":"PyPI","package":"apache-airflow-providers-yandex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1"}]}],"versions":["1.0.0","1.0.0b1","1.0.0b2","1.0.0rc1","1.0.1","1.0.1rc1","2.0.0","2.0.0rc1","2.0.0rc2","2.1.0","2.1.0rc1","2.2.0","2.2.0rc1","2.2.1","2.2.1rc1","2.2.2","2.2.2rc1","2.2.3","2.2.3rc1","3.0.0","3.0.0rc1","3.0.0rc2","3.1.0","3.1.0rc1","3.1.0rc2","3.1.0rc3","3.10.0","3.10.0rc2","3.11.0","3.11.0rc1","3.11.1","3.11.1rc1","3.11.2","3.11.2rc1","3.12.0","3.12.0rc1","3.2.0","3.2.0rc1","3.2.0rc2","3.2.0rc3","3.3.0","3.3.0rc1","3.4.0","3.4.0rc1","3.5.0","3.5.0rc1","3.6.0","3.6.0rc1","3.7.0","3.7.0rc1","3.7.1","3.7.1rc1","3.8.0","3.8.0rc1","3.8.0rc2","3.9.0","3.9.0rc1","3.9.1rc1","4.0.0","4.0.0rc1","4.0.0rc2","4.0.1","4.0.1rc1","4.0.2","4.0.2rc1","4.0.3","4.0.3rc1","4.1.0","4.1.0rc1","4.1.1","4.1.1rc1","4.2.0","4.2.0rc1","4.2.1","4.2.1rc1","4.3.0","4.3.0rc1","4.3.1","4.3.1rc1","4.3.2","4.3.2rc1","4.3.3","4.3.3rc1","4.4.0","4.4.0rc1","4.4.1","4.4.1rc1","4.4.2","4.4.2rc1","4.5.0","4.5.0rc1","4.5.1rc1","4.5.1rc2"]}],"products":[{"vendor":"apache","product":"apache-airflow-providers-apache-yandex"},{"vendor":"apache software foundation","product":"apache airflow yandex provider"}],"references":[{"url":"https://github.com/apache/airflow/pull/70877","tags":["patch","Issue Tracking","Patch","fix","web"]},{"url":"https://lists.apache.org/thread/jlj9tv085txk4t0j029mvh43mz89o63c","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/10/5","tags":["Mailing List","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68871","tags":["advisory"]},{"url":"https://github.com/apache/airflow/commit/0d877a1a7680d779d3e8d24cf1bd50b0af1fc8d7","tags":["web"]},{"url":"https://github.com/apache/airflow/releases/tag/providers-yandex/4.5.1","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-yandex/PYSEC-2026-3715.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-qmrf-jrpr-rjx6","tags":["advisory"]},{"url":"https://pypi.python.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68871.json","tags":["advisory"]},{"url":"https://github.com/apache/airflow","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-68871","title":"Apache Airflow Yandex provider: yandex Lockbox backend: team-scope guard bypass resolves another team's Connection or Variable","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T18:18:20.026Z","modified":"2026-09-16T14:56:26.393Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:46:10.323375Z"}],"euvd":[{"id":"EUVD-2026-55698","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T18:18:20Z","modified":"2026-09-16T14:56:26Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:15.854171Z"}],"ghsa":[{"id":"GHSA-qmrf-jrpr-rjx6","title":"Apache Airflow Yandex Lockbox backend allows cross-team secret disclosure","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T21:32:02Z","modified":"2026-10-02T23:11:40Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:41:25.889593Z"}],"nvd":[{"id":"CVE-2026-68871","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T19:17:30.463Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:36.102748Z"}],"osv":[{"id":"CVE-2026-68871","title":"Apache Airflow Yandex provider: yandex Lockbox backend: team-scope guard bypass resolves another team's Connection or Variable","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T18:18:20.026Z","modified":"2026-10-28T02:30:29.47792316Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:14.808935Z"},{"id":"GHSA-qmrf-jrpr-rjx6","title":"Apache Airflow Yandex Lockbox backend allows cross-team secret disclosure","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T21:32:02Z","modified":"2026-10-02T23:40:51.844382389Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:54.760124Z"},{"id":"PYSEC-2026-3715","description":"The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed. In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend. Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.","status":"published","published":"2026-08-10T19:17:30.463Z","modified":"2026-10-15T14:45:05.504559902Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:57.255153Z"}]}}