CVE-2026-50739
4.3 · MEDIUMOverview
CVE-2026-50739 is a medium-severity vulnerability affecting revive-adserver revive_adserver. It was published on June 26, 2026 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from revive-adserver. Update revive_adserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| revive-adserver | revive_adserver | >= 0, < 6.0.8 | Affected |
References
Frequently Asked Questions
What is CVE-2026-50739?
CVE-2026-50739 is a medium-severity vulnerability affecting revive-adserver revive_adserver. It was published on June 26, 2026 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
How severe is CVE-2026-50739?
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-50739?
Check the references section for vendor advisories and patches from revive-adserver. Update revive_adserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-50739?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-50739 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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