Vulnerability Description
A bypass for CVE‑2026‑34913 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‑privileged user could link their trackers to campaigns owned by other managers on the same instance, leading to inconsistent ownership relationships.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Revive-Adserver | Revive Adserver | < 6.0.8 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/3780709Issue TrackingThird Party Advisory
FAQ
What is CVE-2026-50739?
CVE-2026-50739 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A bypass for CVE‑2026‑34913 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 R...
How severe is CVE-2026-50739?
CVE-2026-50739 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-50739?
Check the references section above for vendor advisories and patch information. Affected products include: Revive-Adserver Revive Adserver.