Revive · Revive Adserver · CVE-2026-21640
**Name of the Vulnerable Software and Affected Versions**
Revive Adserver (affected versions not specified)
**Description**
A format string injection exists in the settings of the software. Using specific character combinations within a setting can trigger a fatal PHP error, which may result in the admin user console being disabled.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.