CVE-2026-21640

low

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.

References

https://hackerone.com/reports/3445332

Details

Source: Mitre, NVD

Published: 2026-01-20

Updated: 2026-01-30

Risk Information

CVSS v2

Base Score: 3.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 2.7

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00039

Detections

Analytics