CVE-2026-21641 HIGH

CVE-2026-21641

Vendor Revive
Product Revive Adserver
Published January 20, 2026
Last update January 21, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

What the vulnerability does

01Description

HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the `tracker-delete.php` script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.

Key dates

02Disclosure timeline

January 20, 2026 CVE published
January 21, 2026 Record updated