CVE Vulnerabilities

CVE-2026-21640

Use of Externally-Controlled Format String

Published: Jan 20, 2026 | Modified: Jan 30, 2026
CVSS 3.x
2.7
LOW
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Affected Software

NameVendorStart VersionEnd Version
Revive_adserverAquaplatform6.0.0 (including)6.0.4 (including)

Potential Mitigations

References