2.7
/ 10
LOW
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Description
HackerOne community member Faraz Ahmed (PakCyberbot) has reported a format string injection in the Revive Adserver settings. When specific character combinations are used in a setting, the admin user console could be disabled due to a fatal PHP error.
Basic Information
ID
CVE-2026-21640
Source
hackerone
Published
Jan 20, 2026 at 20:48
Affected Product
Vendor
Revive
Product
Revive Adserver
Version
6
Affected Versions
Revive Revive Adserver 6