{"id":"CVE-2026-84989","aliases":["EUVD-2026-70502","GHSA-43p9-5758-wwq8","UBUNTU-CVE-2026-84989"],"status":"published","title":"ntopng's Missing Authorization in REST API Allows Non-Admin Users to Delete and Rename Arbitrary Tags","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00383,"percentile":0.32726,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-03T14:47:01Z","modified":"2026-10-28T02:30:27Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ntopng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1+dfsg1-2ubuntu1","2.0+dfsg1-1","2.2+dfsg1-1","2.2+dfsg1-1build1","2.2+dfsg1-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"ntopng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+dfsg1-3","2.4+dfsg1-4","3.2+dfsg1-1","3.2+dfsg1-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ntopng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.8+dfsg1-2.1build3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ntopng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1+dfsg1-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ntopng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1+dfsg1-1","5.2.1+dfsg1-1ubuntu1","5.2.1+dfsg1-1ubuntu3","5.2.1+dfsg1-1ubuntu4"]}],"products":[{"vendor":"ntop","product":"ntopng"}],"references":[{"url":"https://github.com/ntop/ntopng/security/advisories/GHSA-43p9-5758-wwq8","tags":["x_refsource_CONFIRM","exploit","advisory","report"]},{"url":"https://github.com/ntop/ntopng/commit/0e41f24b367fb9caf750459da67827326e3289e8","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84989.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84989","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-84989","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-84989","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-84989","title":"ntopng's Missing Authorization in REST API Allows Non-Admin Users to Delete and Rename Arbitrary Tags","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","status":"published","published":"2026-09-03T14:47:01.859Z","modified":"2026-09-03T14:55:46.607Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:08.391556Z"}],"euvd":[{"id":"EUVD-2026-70502","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","status":"published","published":"2026-09-03T14:47:01Z","modified":"2026-09-03T14:55:46Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T18:01:13.671159Z"}],"nvd":[{"id":"CVE-2026-84989","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","status":"published","published":"2026-09-03T15:17:36.68Z","modified":"2026-09-09T21:09:13.08Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:43.399612Z"}],"osv":[{"id":"CVE-2026-84989","title":"ntopng's Missing Authorization in REST API Allows Non-Admin Users to Delete and Rename Arbitrary Tags","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","status":"published","published":"2026-09-03T14:47:01.859Z","modified":"2026-10-28T02:30:27.669758851Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"UBUNTU-CVE-2026-84989","description":"ntopng is a web-based network traffic monitoring application. In versions 6.7.0 through 6.7.260717, two REST v2 endpoints that manage ntopng's tag/badge feature — `POST /lua/rest/v2/delete/tag/tag.lua` and `POST /lua/rest/v2/edit/tag/tag.lua` — perform no authorization check at all. Any authenticated user, including a non-administrator (\"unprivileged\") account, can delete or rename any tag in the system, including tags created by an administrator. Version 6.7.260718 contains a fix.","status":"published","published":"2026-09-03T15:17:00Z","modified":"2026-09-16T11:43:10Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T16:57:24.828975Z"}]}}