CVE-2026-34913
MediumCVSS 4.3Summary
A missing access control check when linking trackers to campaigns through the campaign-trackers.php script of Revive Adserver 6.0.6 and earlier could allow a low-privileged user to link their trackers to campaigns owned by other managers on the same instance.
Risk Assessment
This could result in inconsistent ownership relationships, threatening the integrity of advertising campaign data within the organization.
Recommendation
It is recommended to upgrade to a newer version of Revive Adserver, where ownership validation has been added to ensure that campaigns can only be linked to trackers owned by the same advertiser.
Original NVD description (English source)
A missing access control check when linking trackers to campaigns through the campaign-trackers.php script of Revive Adserver 6.0.6 and earlier could allow a low‑privileged user to link their trackers to campaigns owned by other managers on the same instance, resulting in inconsistent ownership relationships. Ownership validation has been added to ensure that campaigns can only be linked to trackers owned by the same advertiser.