{"items":[{"id":"NVI-00015168","kind":"vulnerability","title":"JupyterLab: Cross-site scripting (XSS) via crafted settings file (`overrides.json`)","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-pppj-hq3g-57pj","CVE-2026-73417"],"plain_summary":"GitHub lists this reviewed advisory for jupyterlab, jupyterlab. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-29b36e011fb5c6372632e5359d8ff6a1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-18T20:05:53.723Z","value":"8.6 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-271d08ce31a6246b9cd3cfeabd73f0c8"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.748%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.54927. Missing scores are unknown.","source_id":"sr-29b36e011fb5c6372632e5359d8ff6a1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-344bec701b821312bc36f223ba31aee7","url":"https://github.com/advisories/GHSA-pppj-hq3g-57pj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pppj-hq3g-57pj","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-271d08ce31a6246b9cd3cfeabd73f0c8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73417","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-73417","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:45:24.870Z"},{"id":"sr-29b36e011fb5c6372632e5359d8ff6a1","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-73417","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.079Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-344bec701b821312bc36f223ba31aee7"],"technology":"jupyterlab","known_exclusions":[],"conditions_summary":"JupyterLab 4.5+ allows notebook settings to be shared and applied through an `overrides.json` file using the `Import` button in the Settings Editor.\n\nCertain notebook display settings were not properly validated before being applied. As a result, a crafted settings file could contain hidden instructions that run as code inside JupyterLab when imported, instead of only changing a display preference.\n\nBecause importing a settings file appears harmless, a user could import a file shared by another party without realizing it could do more. On multi-tenant file systems without proper permission control, another user could plant a malicious `overrides.json`.\n\n> CVE assignment pending, GitHub CNA is experiencing severe backlog\n\n### Impact\n\nWhen a malicious settings file is applied, the embedded code runs with the same access as the affected user. This could allow an attacker to read or modify that user's notebooks and files, and to run code on the user's behalf through the notebook server, including on any connected kernel.\n\n#### User Interaction vs Privileges Required\n\n##### Write access to a loaded settings location\n\nIf an attacker can write to a directory JupyterLab loads settings from","public_affected_ranges":[">= 4.6.0, <= 4.6.1"]},{"certainty":"source_listed","source_ids":["sr-344bec701b821312bc36f223ba31aee7"],"technology":"jupyterlab","known_exclusions":[],"conditions_summary":"JupyterLab 4.5+ allows notebook settings to be shared and applied through an `overrides.json` file using the `Import` button in the Settings Editor.\n\nCertain notebook display settings were not properly validated before being applied. As a result, a crafted settings file could contain hidden instructions that run as code inside JupyterLab when imported, instead of only changing a display preference.\n\nBecause importing a settings file appears harmless, a user could import a file shared by another party without realizing it could do more. On multi-tenant file systems without proper permission control, another user could plant a malicious `overrides.json`.\n\n> CVE assignment pending, GitHub CNA is experiencing severe backlog\n\n### Impact\n\nWhen a malicious settings file is applied, the embedded code runs with the same access as the affected user. This could allow an attacker to read or modify that user's notebooks and files, and to run code on the user's behalf through the notebook server, including on any connected kernel.\n\n#### User Interaction vs Privileges Required\n\n##### Write access to a loaded settings location\n\nIf an attacker can write to a directory JupyterLab loads settings from","public_affected_ranges":[">= 3.3.0, <= 4.5.9"]}],"null_published_at":"2026-11-08T19:53:44.041Z","source_updated_at":"2026-08-12T19:58:19.000Z","source_disclosed_at":"2026-07-22T23:16:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015168","kind":"vulnerability","title":"JupyterLab: Cross-site scripting (XSS) via crafted settings file (`overrides.json`)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pppj-hq3g-57pj","CVE-2026-73417"],"plain_summary":"GitHub lists this reviewed advisory for jupyterlab, jupyterlab. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-344bec701b821312bc36f223ba31aee7"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-344bec701b821312bc36f223ba31aee7","url":"https://github.com/advisories/GHSA-pppj-hq3g-57pj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pppj-hq3g-57pj","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-344bec701b821312bc36f223ba31aee7"],"technology":"jupyterlab","known_exclusions":[],"conditions_summary":"JupyterLab 4.5+ allows notebook settings to be shared and applied through an `overrides.json` file using the `Import` button in the Settings Editor.\n\nCertain notebook display settings were not properly validated before being applied. As a result, a crafted settings file could contain hidden instructions that run as code inside JupyterLab when imported, instead of only changing a display preference.\n\nBecause importing a settings file appears harmless, a user could import a file shared by another party without realizing it could do more. On multi-tenant file systems without proper permission control, another user could plant a malicious `overrides.json`.\n\n> CVE assignment pending, GitHub CNA is experiencing severe backlog\n\n### Impact\n\nWhen a malicious settings file is applied, the embedded code runs with the same access as the affected user. This could allow an attacker to read or modify that user's notebooks and files, and to run code on the user's behalf through the notebook server, including on any connected kernel.\n\n#### User Interaction vs Privileges Required\n\n##### Write access to a loaded settings location\n\nIf an attacker can write to a directory JupyterLab loads settings from","public_affected_ranges":[">= 4.6.0, <= 4.6.1"]},{"certainty":"source_listed","source_ids":["sr-344bec701b821312bc36f223ba31aee7"],"technology":"jupyterlab","known_exclusions":[],"conditions_summary":"JupyterLab 4.5+ allows notebook settings to be shared and applied through an `overrides.json` file using the `Import` button in the Settings Editor.\n\nCertain notebook display settings were not properly validated before being applied. As a result, a crafted settings file could contain hidden instructions that run as code inside JupyterLab when imported, instead of only changing a display preference.\n\nBecause importing a settings file appears harmless, a user could import a file shared by another party without realizing it could do more. On multi-tenant file systems without proper permission control, another user could plant a malicious `overrides.json`.\n\n> CVE assignment pending, GitHub CNA is experiencing severe backlog\n\n### Impact\n\nWhen a malicious settings file is applied, the embedded code runs with the same access as the affected user. This could allow an attacker to read or modify that user's notebooks and files, and to run code on the user's behalf through the notebook server, including on any connected kernel.\n\n#### User Interaction vs Privileges Required\n\n##### Write access to a loaded settings location\n\nIf an attacker can write to a directory JupyterLab loads settings from","public_affected_ranges":[">= 3.3.0, <= 4.5.9"]}],"null_published_at":"2026-11-03T10:03:26.556Z","source_updated_at":"2026-08-12T19:58:19.000Z","source_disclosed_at":"2026-07-22T23:16:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T20:17:12.848Z"}],"next_cursor":null,"snapshot_revision":"42594"}