{"id":"CVE-2026-21641","details":"HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the `tracker-delete.php` script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.","modified":"2026-07-17T03:45:58.081597959Z","published":"2026-01-20T20:48:47.885Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21641.json","unresolved_ranges":[{"extracted_events":[{"introduced":"6"},{"last_affected":"6.0.4"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"hackerone"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/3445710"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21641.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21641"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/revive-adserver/revive-adserver","events":[{"introduced":"0"},{"last_affected":"37592f9d564b248f86b8230f5bdd53bbaa852f9e"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"6.0.4"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:aquaplatform:revive_adserver:*:*:*:*:*:*:*:*"}}],"versions":["v6.0.4","v6.0.3","v6.0.2","v6.0.1","v6.0.0","v5.4.1","v5.4.0","v5.4.0-rc1","v5.3.0","v5.3.0-rc1","v5.2.1","v5.2.0","v5.1.1","v5.1.0","v5.1.0-rc1","v5.0.5","v5.0.4","v5.0.3","v5.0.1","v5.0.0","v5.0.0-rc1","v4.2.1","v4.2.0","v4.2.0-rc1","v4.1.4","v4.1.3","v4.1.2","v4.1.0","v4.1.0-rc1","v4.0.2","v4.0.1","v4.0.0","v4.0.0-rc1","v3.2.1","v3.2.1-rc1","v3.2.0","v3.2.0-beta","v3.1.0","v3.1.0-beta","v3.0.3","v3.0.2","v3.0.1","v3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21641.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L"}]}