Authorization Bypass in Revive Adserver Tracker Management
CVE-2026-21641

7.1HIGH

Key Information:

Vendor

Revive

Status
Revive Adserver
Vendor
CVE Published:
20 January 2026

What is CVE-2026-21641?

An authorization bypass vulnerability exists in the tracker-delete.php script of Revive Adserver, where users granted permission to delete trackers are incorrectly able to delete trackers that belong to other users. This flaw could allow unauthorized users to manipulate data and disrupt service by deleting critical tracking components, compromising user account integrity and data management.

Affected Version(s)

Revive Adserver 6 <= 6.0.4

References

https://hackerone.com/reports/3445710

CVSS V3.0

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.