CVE-2026-34912
MediumCVSS 4.3Summary
A missing access control check when linking banners or campaigns to a zone through the zone-include.php script of Revive Adserver 6.0.6 and earlier allows a low-privileged user to link their zones to banners or campaigns owned by other managers on the same instance.
Risk Assessment
This can lead to inconsistent ownership relationships, jeopardizing data integrity and potentially affecting campaign management.
Recommendation
It is recommended to upgrade to the latest version of Revive Adserver, which includes ownership validation to ensure that banners and campaigns can only be linked to zones managed by the same account.
Original NVD description (English source)
A missing access control check when linking banners or campaigns to a zone through the zone-include.php script of Revive Adserver 6.0.6 and earlier, or via its API allows a low‑privileged user could link their zones to banners or campaigns owned by other managers on the same instance, resulting in inconsistent ownership relationships. Ownership validation has been added to ensure that banners and campaigns can only be linked to zones managed by the same account.