{"id":"CVE-2026-44794","aliases":["EUVD-2026-32955","GHSA-wpxj-44w3-2j6x","PYSEC-2026-2225"],"status":"published","title":"Nautobot: REST API permits creation of GenericForeignKey references to objects that the user should not be able to reference","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00177,"percentile":0.07366,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-05-13T15:30:46Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"PyPI","package":"nautobot","fixed_in":["3.1.2","2.4.33"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"nautobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0a2"},{"fixed":"3.1.2"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"nautobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.33"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nautobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0a2"},{"fixed":"3.1.2"}]}],"versions":["3.0.0","3.0.0a2","3.0.0a3","3.0.0rc1","3.0.0rc2","3.0.1","3.0.10","3.0.11","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.0a1","3.1.0a2","3.1.0a3","3.1.0a4","3.1.0a5","3.1.1"]},{"source":"osv","ecosystem":"PyPI","package":"nautobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.33"}]}],"versions":["1.0.0","1.0.0a1","1.0.0a2","1.0.0b1","1.0.0b2","1.0.0b3","1.0.0b4","1.0.1","1.0.2","1.0.3","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.2.0","1.2.1","1.2.10","1.2.11","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.1","1.4.10","1.4.2","1.4.3","1.4.4","1.4.5","1.4.7","1.4.8","1.4.9","1.5.0","1.5.1","1.5.10","1.5.11","1.5.12","1.5.13","1.5.14","1.5.15","1.5.16","1.5.17","1.5.18","1.5.19","1.5.2","1.5.20","1.5.21","1.5.22","1.5.23","1.5.24","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","1.6.0","1.6.1","1.6.10","1.6.11","1.6.12","1.6.13","1.6.14","1.6.15","1.6.16","1.6.17","1.6.18","1.6.19","1.6.2","1.6.20","1.6.21","1.6.22","1.6.23","1.6.24","1.6.25","1.6.26","1.6.27","1.6.28","1.6.29","1.6.3","1.6.30","1.6.31","1.6.32","1.6.4","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.1.0","2.1.0b1","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2.0","2.2.0b1","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0b1","2.3.1","2.3.10","2.3.11","2.3.12","2.3.13","2.3.14","2.3.15","2.3.15b1","2.3.16","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.3.9","2.4.0","2.4.0b1","2.4.1","2.4.10","2.4.11","2.4.12","2.4.13","2.4.14","2.4.15","2.4.16","2.4.17","2.4.18","2.4.19","2.4.2","2.4.20","2.4.21","2.4.22","2.4.23","2.4.24","2.4.25","2.4.26","2.4.27","2.4.28","2.4.29","2.4.3","2.4.30","2.4.31","2.4.32","2.4.4","2.4.5","2.4.6","2.4.7","2.4.8","2.4.9"]},{"source":"osv","ecosystem":"PyPI","package":"nautobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.33"},{"introduced":"3.0.0"},{"fixed":"3.1.2"}]}],"versions":["1.0.0","1.0.0a1","1.0.0a2","1.0.0b1","1.0.0b2","1.0.0b3","1.0.0b4","1.0.1","1.0.2","1.0.3","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.2.0","1.2.1","1.2.10","1.2.11","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.1","1.4.10","1.4.2","1.4.3","1.4.4","1.4.5","1.4.7","1.4.8","1.4.9","1.5.0","1.5.1","1.5.10","1.5.11","1.5.12","1.5.13","1.5.14","1.5.15","1.5.16","1.5.17","1.5.18","1.5.19","1.5.2","1.5.20","1.5.21","1.5.22","1.5.23","1.5.24","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","1.6.0","1.6.1","1.6.10","1.6.11","1.6.12","1.6.13","1.6.14","1.6.15","1.6.16","1.6.17","1.6.18","1.6.19","1.6.2","1.6.20","1.6.21","1.6.22","1.6.23","1.6.24","1.6.25","1.6.26","1.6.27","1.6.28","1.6.29","1.6.3","1.6.30","1.6.31","1.6.32","1.6.4","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.1.0","2.1.0b1","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2.0","2.2.0b1","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0b1","2.3.1","2.3.10","2.3.11","2.3.12","2.3.13","2.3.14","2.3.15","2.3.15b1","2.3.16","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7","2.3.8","2.3.9","2.4.0","2.4.0b1","2.4.1","2.4.10","2.4.11","2.4.12","2.4.13","2.4.14","2.4.15","2.4.16","2.4.17","2.4.18","2.4.19","2.4.2","2.4.20","2.4.21","2.4.22","2.4.23","2.4.24","2.4.25","2.4.26","2.4.27","2.4.28","2.4.29","2.4.3","2.4.30","2.4.31","2.4.32","2.4.4","2.4.5","2.4.6","2.4.7","2.4.8","2.4.9","3.0.0","3.0.1","3.0.10","3.0.11","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.0a1","3.1.0a2","3.1.0a3","3.1.0a4","3.1.0a5","3.1.1"]}],"products":[{"vendor":"nautobot","product":"nautobot"},{"vendor":"networktocod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Advisory","advisory","web","fix"]},{"url":"https://github.com/nautobot/nautobot/commit/36cde7148a207234de6212ec074f321dbc9d1b5b","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/nautobot/nautobot/commit/9918bdb9bcf1eb42cda72c344f420a64ef7665f1","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/nautobot/nautobot/releases/tag/v2.4.33","tags":["x_refsource_MISC","Product","Release Notes","web","advisory"]},{"url":"https://github.com/nautobot/nautobot/releases/tag/v3.1.2","tags":["x_refsource_MISC","Product","Release Notes","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44794","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wpxj-44w3-2j6x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44794.json","tags":["advisory"]},{"url":"https://github.com/nautobot/nautobot","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-44794","title":"Nautobot: REST API permits creation of GenericForeignKey references to objects that the user should not be able to reference","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","status":"published","published":"2026-05-28T17:01:21.4Z","modified":"2026-05-30T02:02:47.815Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-32955","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","status":"published","published":"2026-05-28T17:01:21Z","modified":"2026-05-30T02:02:47Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:59.967985Z"}],"ghsa":[{"id":"GHSA-wpxj-44w3-2j6x","title":"Nautobot: REST API permits creation of GenericForeignKey references to objects that the user should not be able to reference","description":"### Impact\n\nIn the case of inter-object references via `GenericForeignKey` (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a `GenericForeignKey`, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. \n\nAs a concrete example, a user:\n\n- who has permission to create or update `ImageAttachment` records\n- but who lacks permission to view (some or all) `Device` records\n- _but who knows (via some other mechanism) the UUID of a specific `Device` that they do not otherwise have access to_\n\ncould create via the REST API an `ImageAttachment` linked to that specific `Device`.\n\nOther models that use `GenericForeignKey` and may be writable via the REST API, and hence have a similar vulnerability to `ImageAttachment`, may include:\n\n- `ApprovalWorkflow`\n- `Cable`\n- `ConfigContext`\n- `ContactAssociation`\n- `DataCompliance`\n- `Device`\n- `ExportTemplate`\n- `GraphQLQuery`\n- `Note`\n- `ObjectMetadata`\n- `RelationshipAssociation`\n- `StaticGroupAssociation`\n- `VirtualMachine`\n\nAdditionally, any Nautobot Apps that provide models with a REST API and use GenericForeignKey may have a similar vulnerability for their models.\n\n### Patches\n\nA general-purpose fix has been implemented in Nautobot 2.4.33 and 3.1.2, which ensures correct application of \"view\" permissions when creating or modifying object references via `GenericForeignKey` throughout the REST API. Individual models/views/serializers generally will not require any specific code changes to benefit from this fix.\n\n### Workarounds\n\nNo known workarounds at this time.\n\n### References\n\n- 2.4.33 (\u003ca href=\"https://github.com/nautobot/nautobot/commit/9918bdb9bcf1eb42cda72c344f420a64ef7665f1\"\u003epatch\u003c/a\u003e)\n- 3.1.2 (\u003ca href=\"https://github.com/nautobot/nautobot/commit/36cde7148a207234de6212ec074f321dbc9d1b5b\"\u003epatch\u003c/a\u003e)","status":"published","published":"2026-05-13T15:30:46Z","modified":"2026-06-09T02:01:04Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:40:22.540562Z"}],"nvd":[{"id":"CVE-2026-44794","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","status":"published","published":"2026-05-28T18:16:33.203Z","modified":"2026-10-14T20:10:00.19Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:21.244426Z"}],"osv":[{"id":"CVE-2026-44794","title":"Nautobot: REST API permits creation of GenericForeignKey references to objects that the user should not be able to reference","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","status":"published","published":"2026-05-28T17:01:21.4Z","modified":"2026-10-28T02:30:43.77520602Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:05.172514Z"},{"id":"GHSA-wpxj-44w3-2j6x","title":"Nautobot: REST API permits creation of GenericForeignKey references to objects that the user should not be able to reference","description":"### Impact\n\nIn the case of inter-object references via `GenericForeignKey` (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a `GenericForeignKey`, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. \n\nAs a concrete example, a user:\n\n- who has permission to create or update `ImageAttachment` records\n- but who lacks permission to view (some or all) `Device` records\n- _but who knows (via some other mechanism) the UUID of a specific `Device` that they do not otherwise have access to_\n\ncould create via the REST API an `ImageAttachment` linked to that specific `Device`.\n\nOther models that use `GenericForeignKey` and may be writable via the REST API, and hence have a similar vulnerability to `ImageAttachment`, may include:\n\n- `ApprovalWorkflow`\n- `Cable`\n- `ConfigContext`\n- `ContactAssociation`\n- `DataCompliance`\n- `Device`\n- `ExportTemplate`\n- `GraphQLQuery`\n- `Note`\n- `ObjectMetadata`\n- `RelationshipAssociation`\n- `StaticGroupAssociation`\n- `VirtualMachine`\n\nAdditionally, any Nautobot Apps that provide models with a REST API and use GenericForeignKey may have a similar vulnerability for their models.\n\n### Patches\n\nA general-purpose fix has been implemented in Nautobot 2.4.33 and 3.1.2, which ensures correct application of \"view\" permissions when creating or modifying object references via `GenericForeignKey` throughout the REST API. Individual models/views/serializers generally will not require any specific code changes to benefit from this fix.\n\n### Workarounds\n\nNo known workarounds at this time.\n\n### References\n\n- 2.4.33 (\u003ca href=\"https://github.com/nautobot/nautobot/commit/9918bdb9bcf1eb42cda72c344f420a64ef7665f1\"\u003epatch\u003c/a\u003e)\n- 3.1.2 (\u003ca href=\"https://github.com/nautobot/nautobot/commit/36cde7148a207234de6212ec074f321dbc9d1b5b\"\u003epatch\u003c/a\u003e)","status":"published","published":"2026-05-13T15:30:46Z","modified":"2026-07-13T07:26:41.685580208Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:46:58.767335Z"},{"id":"PYSEC-2026-2225","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, in the case of inter-object references via GenericForeignKey (a pattern allowing an object to reference another object that may belong to one of several different \"content types\" or database tables), when creating or updating an object containing a GenericForeignKey, Nautobot's REST API failed to enforce user \"view\" permissions when determining whether a given reference to another object would be valid. This vulnerability is fixed in 2.4.33 and 3.1.2.","status":"published","published":"2026-05-28T18:16:33.203Z","modified":"2026-07-13T07:15:37.257091394Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.537808Z"}]}}