{"id":"CVE-2024-28188","aliases":["EUVD-2024-1797","GHSA-v9g2-g7j4-4jxc","PYSEC-2026-1479","UBUNTU-CVE-2024-28188"],"status":"published","title":"jupyter-scheduler's endpoint is missing authentication","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00331,"percentile":0.26506,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-287"],"published":"2024-05-23T11:54:53Z","modified":"2026-10-28T02:31:02Z","fixes":[{"ecosystem":"PyPI","package":"jupyter-scheduler","fixed_in":["1.1.6","1.2.1","1.8.2","2.5.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.1.6"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.0"},{"last_affected":"1.2.0"},{"fixed":"1.2.1"}]}],"versions":["1.2.0"]},{"source":"ghsa","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.8.2"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.5.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.1.6"}]}],"versions":["1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5"]},{"source":"osv","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.0"},{"fixed":"1.2.1"}]}],"versions":["1.2.0"]},{"source":"osv","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.8.2"}]}],"versions":["1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.4.0","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1"]},{"source":"osv","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.5.2"}]}],"versions":["2.0.0","2.1.0","2.2.0","2.3.0","2.4.0","2.5.0","2.5.1"]},{"source":"osv","ecosystem":"PyPI","package":"jupyter-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.1.6"},{"introduced":"1.2.0"},{"fixed":"1.2.1"},{"introduced":"1.3.0"},{"fixed":"1.8.2"},{"introduced":"2.0.0"},{"fixed":"2.5.2"}]}],"versions":["1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.2.0","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.4.0","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1","2.0.0","2.1.0","2.2.0","2.3.0","2.4.0","2.5.0","2.5.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"jupyter-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-1","1.13.1-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"jupyter-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.23.3-1","1.23.3-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"jupyter-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.2-5","2.15.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"jupyter-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.17.0-1","2.20.0-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"jupyter-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.15.0-1","2.17.0-1"]}],"products":[{"vendor":"jupyter","product":"scheduler"},{"vendor":"jupyter-server","product":"jupyter-scheduler"}],"references":[{"url":"https://github.com/jupyter-server/jupyter-scheduler/security/advisories/GHSA-v9g2-g7j4-4jxc","tags":["x_refsource_CONFIRM","x_transferred","advisory","web","report"]},{"url":"https://github.com/jupyter-server/jupyter_server/pull/1392","tags":["x_refsource_MISC","x_transferred","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28188","tags":["advisory"]},{"url":"https://github.com/jupyter-server/jupyter-scheduler/commit/06435a2277bb2b8f441ec9cedafa474572b92c5d","tags":["web","fix"]},{"url":"https://github.com/jupyter-server/jupyter-scheduler/commit/a621b386397280cc8ee5a208dca4607cb71cdd65","tags":["web","fix"]},{"url":"https://github.com/jupyter-server/jupyter-scheduler/commit/d428ac871909444e175ba421bf8ab4980d6ebf9f","tags":["web","fix"]},{"url":"https://github.com/jupyter-server/jupyter-scheduler/commit/f4137a779fdf0cc4a9688a42dd8c6e7ade60f044","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-v9g2-g7j4-4jxc","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/28xxx/CVE-2024-28188.json","tags":["advisory"]},{"url":"https://github.com/jupyter-server/jupyter-scheduler","tags":["package"]},{"url":"https://pypi.org/project/jupyter-scheduler","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2024-28188","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-28188","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-28188","title":"jupyter-scheduler's endpoint is missing authentication","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","status":"published","published":"2024-05-23T11:54:53.672Z","modified":"2024-08-02T00:48:49.472Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200","CWE-287"],"updated_at":"2026-11-02T14:34:18.597034Z"}],"euvd":[{"id":"EUVD-2024-1797","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","status":"published","published":"2024-05-23T11:54:53Z","modified":"2024-08-02T00:48:49Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:26.752963Z"}],"ghsa":[{"id":"GHSA-v9g2-g7j4-4jxc","title":"jupyter-scheduler's endpoint is missing authentication","description":"### Impact\n\n`jupyter_scheduler` is missing an authentication check in Jupyter Server on an API endpoint (`GET /scheduler/runtime_environments`) which lists the names of the Conda environments on the server. In affected versions, `jupyter_scheduler` allows an unauthenticated user to obtain the list of Conda environment names on the server. This reveals any information that may be present in a Conda environment name.\n\nThis issue does **not** allow an unauthenticated third party to read, modify, or enter the Conda environments present on the server where `jupyter_scheduler` is running. This issue only reveals the list of Conda environment names.\n\nImpacted versions: `\u003e=1.0.0,\u003c=1.1.5 ; ==1.2.0 ; \u003e=1.3.0,\u003c=1.8.1 ; \u003e=2.0.0,\u003c=2.5.1`\n\n### Patches\n\n* `jupyter-scheduler==1.1.6`\n* `jupyter-scheduler==1.2.1`\n* `jupyter-scheduler==1.8.2`\n* `jupyter-scheduler==2.5.2`\n\n### Workarounds\n\nServer operators who are unable to upgrade can disable the `jupyter-scheduler` extension with:\n\n```\njupyter server extension disable jupyter-scheduler\n```\n\n### References\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting\n","status":"published","published":"2024-05-23T14:00:15Z","modified":"2024-05-27T08:43:59Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-287"],"updated_at":"2026-11-02T14:37:51.549437Z"}],"nvd":[{"id":"CVE-2024-28188","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","status":"published","published":"2024-05-23T12:15:10.167Z","modified":"2026-06-17T07:21:10.2Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200","CWE-287"],"updated_at":"2026-11-02T14:10:02.520903Z"}],"osv":[{"id":"CVE-2024-28188","title":"jupyter-scheduler's endpoint is missing authentication","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","status":"published","published":"2024-05-23T11:54:53.672Z","modified":"2026-10-28T02:31:02.053364521Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-287"],"updated_at":"2026-11-02T15:44:39.569658Z"},{"id":"GHSA-v9g2-g7j4-4jxc","title":"jupyter-scheduler's endpoint is missing authentication","description":"### Impact\n\n`jupyter_scheduler` is missing an authentication check in Jupyter Server on an API endpoint (`GET /scheduler/runtime_environments`) which lists the names of the Conda environments on the server. In affected versions, `jupyter_scheduler` allows an unauthenticated user to obtain the list of Conda environment names on the server. This reveals any information that may be present in a Conda environment name.\n\nThis issue does **not** allow an unauthenticated third party to read, modify, or enter the Conda environments present on the server where `jupyter_scheduler` is running. This issue only reveals the list of Conda environment names.\n\nImpacted versions: `\u003e=1.0.0,\u003c=1.1.5 ; ==1.2.0 ; \u003e=1.3.0,\u003c=1.8.1 ; \u003e=2.0.0,\u003c=2.5.1`\n\n### Patches\n\n* `jupyter-scheduler==1.1.6`\n* `jupyter-scheduler==1.2.1`\n* `jupyter-scheduler==1.8.2`\n* `jupyter-scheduler==2.5.2`\n\n### Workarounds\n\nServer operators who are unable to upgrade can disable the `jupyter-scheduler` extension with:\n\n```\njupyter server extension disable jupyter-scheduler\n```\n\n### References\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting\n","status":"published","published":"2024-05-23T14:00:15Z","modified":"2026-07-07T17:57:02.964610129Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-287"],"updated_at":"2026-11-02T15:46:56.981655Z"},{"id":"PYSEC-2026-1479","title":"jupyter-scheduler's endpoint is missing authentication","description":"### Impact\n\n`jupyter_scheduler` is missing an authentication check in Jupyter Server on an API endpoint (`GET /scheduler/runtime_environments`) which lists the names of the Conda environments on the server. In affected versions, `jupyter_scheduler` allows an unauthenticated user to obtain the list of Conda environment names on the server. This reveals any information that may be present in a Conda environment name.\n\nThis issue does **not** allow an unauthenticated third party to read, modify, or enter the Conda environments present on the server where `jupyter_scheduler` is running. This issue only reveals the list of Conda environment names.\n\nImpacted versions: `\u003e=1.0.0,\u003c=1.1.5 ; ==1.2.0 ; \u003e=1.3.0,\u003c=1.8.1 ; \u003e=2.0.0,\u003c=2.5.1`\n\n### Patches\n\n* `jupyter-scheduler==1.1.6`\n* `jupyter-scheduler==1.2.1`\n* `jupyter-scheduler==1.8.2`\n* `jupyter-scheduler==2.5.2`\n\n### Workarounds\n\nServer operators who are unable to upgrade can disable the `jupyter-scheduler` extension with:\n\n```\njupyter server extension disable jupyter-scheduler\n```\n\n### References\n\nIf you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting\n","status":"published","published":"2026-07-07T11:45:43.373639Z","modified":"2026-07-07T17:46:13.960340678Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.06457Z"},{"id":"UBUNTU-CVE-2024-28188","description":"Jupyter Scheduler is collection of extensions for programming jobs to run now or run on a schedule. The list of conda environments of `jupyter-scheduler` users maybe be exposed, potentially revealing information about projects that a specific user may be working on. This vulnerability has been patched in version(s) 1.1.6, 1.2.1, 1.8.2 and 2.5.2.","status":"published","published":"2024-05-23T12:15:00Z","modified":"2026-10-17T12:56:44.225208575Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:48.333535Z"}]}}