{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21641", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-01-01T15:00:02.340Z", "datePublished": "2026-01-20T20:48:47.885Z", "dateUpdated": "2026-01-21T18:52:48.506Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "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."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Revive", "product": "Revive Adserver", "versions": [{"version": "6", "status": "affected", "lessThanOrEqual": "6.0.4", "versionType": "semver"}]}], "references": [{"url": "https://hackerone.com/reports/3445710"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "baseScore": 7.1, "baseSeverity": "HIGH"}}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-01-20T20:48:47.885Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-285", "lang": "en", "description": "CWE-285 Improper Authorization"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-21T18:38:03.148978Z", "id": "CVE-2026-21641", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-21T18:52:48.506Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21641", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-21T18:38:03.148978Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-285", "description": "CWE-285 Improper Authorization"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-21T18:39:15.272Z"}}], "cna": {"metrics": [{"cvssV3_0": {"version": "3.0", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L"}}], "affected": [{"vendor": "Revive", "product": "Revive Adserver", "versions": [{"status": "affected", "version": "6", "versionType": "semver", "lessThanOrEqual": "6.0.4"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://hackerone.com/reports/3445710"}], "descriptions": [{"lang": "en", "value": "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."}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-01-20T20:48:47.885Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21641", "state": "PUBLISHED", "dateUpdated": "2026-01-21T18:52:48.506Z", "dateReserved": "2026-01-01T15:00:02.340Z", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "datePublished": "2026-01-20T20:48:47.885Z", "assignerShortName": "hackerone"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-21641", "lastModified": "2026-01-21T19:16:05.770", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2026-01-20T21:16:06.187", "references": [{"source": "support@hackerone.com", "url": "https://hackerone.com/reports/3445710"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}