CVE-2026-50739

{"id": "CVE-2026-50739", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50739", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-26T12:28:20.731460Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "Revive", "product": "Adserver", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "6.0.7"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-26T02:16:53.407", "references": [{"url": "https://hackerone.com/reports/3780709", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "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."}], "lastModified": "2026-06-29T20:22:51.867", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FD0ED938-344E-44B5-B3A6-793B968229B0", "versionEndExcluding": "6.0.8"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}