CVE-2026-50739

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Adserver", "vendor": "Revive", "versions": [{"lessThanOrEqual": "6.0.7", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*", "matchCriteriaId": "FD0ED938-344E-44B5-B3A6-793B968229B0", "versionEndExcluding": "6.0.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A bypass for CVE\u20112026\u201134913 exists with proper ownership validation that had not been applied to the reverse operation of linking campaigns and trackers through the `tracker-campaigns.php` script in Revive Adserver 6.0.7 and earlier. As a result, a low\u2011privileged user could link their trackers to campaigns owned by other managers on the same instance, leading to inconsistent ownership relationships."}, {"lang": "es", "value": "Existe una elusi\u00f3n para CVE?2026?34913 con una validaci\u00f3n de propiedad adecuada que no se hab\u00eda aplicado a la operaci\u00f3n inversa de vincular campa\u00f1as y rastreadores a trav\u00e9s del script \u2019tracker-campaigns.PHP\u2019 en Revive Adserver 6.0.7 y versiones anteriores. Como resultado, un usuario con pocos privilegios podr\u00eda vincular sus rastreadores a campa\u00f1as propiedad de otros administradores en la misma instancia, lo que lleva a relaciones de propiedad inconsistentes."}], "id": "CVE-2026-50739", "lastModified": "2026-10-25T22:10:00.150", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "support@hackerone.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50739", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-26T12:28:20.731460Z", "version": "2.0.3"}}]}, "published": "2026-06-26T02:16:53.407", "references": [{"source": "support@hackerone.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://hackerone.com/reports/3780709"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.0.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Adserver", "source": "cna", "vendor": "Revive"}, "product": "adserver", "vendor": "revive"}], "created": "2026-06-26T02:45:16.424516+00:00", "title": "Authorization Bypass in Revive Adserver Tracker\u2011Campaign Linking", "updated": "2026-06-26T06:30:17.304669+00:00", "vendors": ["revive", "revive$PRODUCT$adserver"]}