{"url":"http://public2.vulnerablecode.io/api/packages/100258?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-4?distro=trixie","type":"deb","namespace":"debian","name":"jupyterhub","version":"5.2.1+ds1-4","qualifiers":{"distro":"trixie"},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":"5.2.1+ds1-5","latest_non_vulnerable_version":"5.2.1+ds1-5","affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/40850?format=json","vulnerability_id":"VCID-6kh1-gzxx-k7bs","summary":"URL Redirection to Untrusted Site (Open Redirect)\nAn Open Redirect vulnerability for all browsers in Jupyter Notebook and some browsers (Chrome, Firefox) allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a `base_url` prefix are not affected.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2019-10255","reference_id":"","reference_type":"","scores":[{"value":"0.00462","scoring_system":"epss","scoring_elements":"0.64507","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00462","scoring_system":"epss","scoring_elements":"0.64535","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00462","scoring_system":"epss","scoring_elements":"0.64546","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00462","scoring_system":"epss","scoring_elements":"0.64558","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00462","scoring_system":"epss","scoring_elements":"0.64549","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-10255"},{"reference_url":"https://blog.jupyter.org/open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://blog.jupyter.org/open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10255","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10255"},{"reference_url":"https://github.com/jupyter/notebook","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyter/notebook"},{"reference_url":"https://github.com/jupyter/notebook/commit/08c4c898182edbe97aadef1815cce50448f975cb","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyter/notebook/commit/08c4c898182edbe97aadef1815cce50448f975cb"},{"reference_url":"https://github.com/jupyter/notebook/commit/70fe9f0ddb3023162ece21fbb77d5564306b913b","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyter/notebook/commit/70fe9f0ddb3023162ece21fbb77d5564306b913b"},{"reference_url":"https://github.com/jupyter/notebook/commit/d65328d4841892b412aef9015165db1eb029a8ed","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyter/notebook/commit/d65328d4841892b412aef9015165db1eb029a8ed"},{"reference_url":"https://github.com/jupyter/notebook/compare/05aa4b2...16cf97c","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyter/notebook/compare/05aa4b2...16cf97c"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO/"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925939","reference_id":"925939","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925939"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10255","reference_id":"CVE-2019-10255","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10255"},{"reference_url":"https://github.com/advisories/GHSA-rv62-4pmj-xw6h","reference_id":"GHSA-rv62-4pmj-xw6h","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-rv62-4pmj-xw6h"},{"reference_url":"https://usn.ubuntu.com/5585-1/","reference_id":"USN-5585-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/5585-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/100256?format=json","purl":"pkg:deb/debian/jupyterhub@0?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@0%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100255?format=json","purl":"pkg:deb/debian/jupyterhub@3.0.0%2Bds1-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-g6zf-6yqx-r7gx"},{"vulnerability":"VCID-jruk-8qvr-d3hh"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@3.0.0%252Bds1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100258?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100257?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-5?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-5%3Fdistro=trixie"}],"aliases":["CVE-2019-10255","GHSA-rv62-4pmj-xw6h"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6kh1-gzxx-k7bs"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/47360?format=json","vulnerability_id":"VCID-g6zf-6yqx-r7gx","summary":"Cross site scripting (XSS) in JupyterHub via Self-XSS leveraged by Cookie Tossing\nAffected configurations:\n\n- Single-origin JupyterHub deployments\n- JupyterHub deployments with user-controlled applications running on subdomains or peer subdomains of either the Hub or a single-user server.\n\nBy tricking a user into visiting a malicious subdomain, the attacker can achieve an XSS directly affecting the former's session. More precisely, in the context of JupyterHub, this XSS could achieve the following:\n\n- Full access to JupyterHub API and user's single-user server, e.g.\n- Create and exfiltrate an API Token\n- Exfiltrate all files hosted on the user's single-user server: notebooks, images, etc.\n- Install malicious extensions. They can be used as a backdoor to silently regain access to victim's session anytime.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-28233","reference_id":"","reference_type":"","scores":[{"value":"0.0011","scoring_system":"epss","scoring_elements":"0.28962","published_at":"2026-06-08T12:55:00Z"},{"value":"0.0011","scoring_system":"epss","scoring_elements":"0.28995","published_at":"2026-06-07T12:55:00Z"},{"value":"0.0011","scoring_system":"epss","scoring_elements":"0.29031","published_at":"2026-06-06T12:55:00Z"},{"value":"0.0011","scoring_system":"epss","scoring_elements":"0.29065","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-28233"},{"reference_url":"https://github.com/jupyterhub/jupyterhub","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/commit/e2798a088f5ad45340fe79cdf1386198e664f77f","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-08-15T14:36:04Z/"}],"url":"https://github.com/jupyterhub/jupyterhub/commit/e2798a088f5ad45340fe79cdf1386198e664f77f"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1070388","reference_id":"1070388","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1070388"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28233","reference_id":"CVE-2024-28233","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28233"},{"reference_url":"https://github.com/advisories/GHSA-7r3h-4ph8-w38g","reference_id":"GHSA-7r3h-4ph8-w38g","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7r3h-4ph8-w38g"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-7r3h-4ph8-w38g","reference_id":"GHSA-7r3h-4ph8-w38g","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-08-15T14:36:04Z/"}],"url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-7r3h-4ph8-w38g"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/100262?format=json","purl":"pkg:deb/debian/jupyterhub@5.0.0%2Bds1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.0.0%252Bds1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100258?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100257?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-5?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-5%3Fdistro=trixie"}],"aliases":["CVE-2024-28233","GHSA-7r3h-4ph8-w38g"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-g6zf-6yqx-r7gx"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/36851?format=json","vulnerability_id":"VCID-jruk-8qvr-d3hh","summary":"JupyterHub is software that allows one to create a multi-user server for Jupyter notebooks. Prior to versions 4.1.6 and 5.1.0, if a user is granted the `admin:users` scope, they may escalate their own privileges by making themselves a full admin user. The impact is relatively small in that `admin:users` is already an extremely privileged scope only granted to trusted users.\nIn effect, `admin:users` is equivalent to `admin=True`, which is not intended. Note that the change here only prevents escalation to the built-in JupyterHub admin role that has unrestricted permissions. It does not prevent users with e.g. `groups` permissions from granting themselves or other users permissions via group membership, which is intentional. Versions 4.1.6 and 5.1.0 fix this issue.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-41942","reference_id":"","reference_type":"","scores":[{"value":"0.0013","scoring_system":"epss","scoring_elements":"0.31969","published_at":"2026-06-08T12:55:00Z"},{"value":"0.0013","scoring_system":"epss","scoring_elements":"0.32","published_at":"2026-06-07T12:55:00Z"},{"value":"0.0013","scoring_system":"epss","scoring_elements":"0.32038","published_at":"2026-06-06T12:55:00Z"},{"value":"0.0013","scoring_system":"epss","scoring_elements":"0.32069","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-41942"},{"reference_url":"https://github.com/jupyterhub/jupyterhub","reference_id":"","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/commit/99e2720b0fc626cbeeca3c6337f917fdacfaa428","reference_id":"","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-08T15:16:29Z/"}],"url":"https://github.com/jupyterhub/jupyterhub/commit/99e2720b0fc626cbeeca3c6337f917fdacfaa428"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/commit/ff2db557a85b6980f90c3158634bf924063ab8ba","reference_id":"","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-08T15:16:29Z/"}],"url":"https://github.com/jupyterhub/jupyterhub/commit/ff2db557a85b6980f90c3158634bf924063ab8ba"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-9x4q-3gxw-849f","reference_id":"","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-08T15:16:29Z/"}],"url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-9x4q-3gxw-849f"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2024-200.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2024-200.yaml"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1078344","reference_id":"1078344","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1078344"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41942","reference_id":"CVE-2024-41942","reference_type":"","scores":[{"value":"7.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.6","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-41942"},{"reference_url":"https://github.com/advisories/GHSA-9x4q-3gxw-849f","reference_id":"GHSA-9x4q-3gxw-849f","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-9x4q-3gxw-849f"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/100264?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.v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1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-36191","reference_id":"","reference_type":"","scores":[{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31116","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31048","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.3108","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31149","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00124","scoring_system":"epss","scoring_elements":"0.31082","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-36191"},{"reference_url":"https://github.com/advisories/GHSA-7xx3-qp5w-fw96","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7xx3-qp5w-fw96"},{"reference_url":"https://github.com/jupyterhub/jupyterhub","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/issues/3304","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub/issues/3304"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/releases","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub/releases"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-67.yaml","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-67.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36191","reference_id":"","reference_type":"","scores":[{"value":"4.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"},{"value":"6.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36191"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014774","reference_id":"1014774","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014774"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/100255?format=json","purl":"pkg:deb/debian/jupyterhub@3.0.0%2Bds1-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-g6zf-6yqx-r7gx"},{"vulnerability":"VCID-jruk-8qvr-d3hh"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@3.0.0%252Bds1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100258?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100257?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-5?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-5%3Fdistro=trixie"}],"aliases":["BIT-jupyterhub-2020-36191","CVE-2020-36191","GHSA-7xx3-qp5w-fw96","PYSEC-2021-67"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-n2n2-cfn6-fyau"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/35904?format=json","vulnerability_id":"VCID-v61t-4jv9-j3bv","summary":"JupyterHub is an open source multi-user server for Jupyter notebooks. In affected versions users who have multiple JupyterLab tabs open in the same browser session, may see incomplete logout from the single-user server, as fresh credentials (for the single-user server only, not the Hub) reinstated after logout, if another active JupyterLab session is open while the logout takes place. Upgrade to JupyterHub 1.5. For distributed deployments, it is jupyterhub in the _user_ environment that needs patching. There are no patches necessary in the Hub environment. The only workaround is to make sure that only one JupyterLab tab is open when you log out.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41247","reference_id":"","reference_type":"","scores":[{"value":"0.00212","scoring_system":"epss","scoring_elements":"0.43841","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00212","scoring_system":"epss","scoring_elements":"0.4379","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00212","scoring_system":"epss","scoring_elements":"0.43824","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00212","scoring_system":"epss","scoring_elements":"0.43771","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00212","scoring_system":"epss","scoring_elements":"0.4385","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41247"},{"reference_url":"https://github.com/jupyterhub/jupyterhub","reference_id":"","reference_type":"","scores":[{"value":"3.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/commit/5ac9e7f73a6e1020ffddc40321fc53336829fe27","reference_id":"","reference_type":"","scores":[{"value":"3.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub/commit/5ac9e7f73a6e1020ffddc40321fc53336829fe27"},{"reference_url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-cw7p-q79f-m2v7","reference_id":"","reference_type":"","scores":[{"value":"3.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-cw7p-q79f-m2v7"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-386.yaml","reference_id":"","reference_type":"","scores":[{"value":"3.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-386.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41247","reference_id":"CVE-2021-41247","reference_type":"","scores":[{"value":"3.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N"},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41247"},{"reference_url":"https://github.com/advisories/GHSA-cw7p-q79f-m2v7","reference_id":"GHSA-cw7p-q79f-m2v7","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-cw7p-q79f-m2v7"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/100260?format=json","purl":"pkg:deb/debian/jupyterhub@2.0.0%2Bds1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@2.0.0%252Bds1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100255?format=json","purl":"pkg:deb/debian/jupyterhub@3.0.0%2Bds1-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-g6zf-6yqx-r7gx"},{"vulnerability":"VCID-jruk-8qvr-d3hh"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@3.0.0%252Bds1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100258?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/100257?format=json","purl":"pkg:deb/debian/jupyterhub@5.2.1%2Bds1-5?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-5%3Fdistro=trixie"}],"aliases":["BIT-jupyterhub-2021-41247","CVE-2021-41247","GHSA-cw7p-q79f-m2v7","PYSEC-2021-386"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-v61t-4jv9-j3bv"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/jupyterhub@5.2.1%252Bds1-4%3Fdistro=trixie"}