CVE-2026-21640

LOW EPSS 11.2%

Published Jan 20, 20265mo ago · Modified Jun 17, 20262w ago

2.7 CVSS 3.1

Low

Published Jan 20, 2026 5mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

2.7

Exploitability

1.2

Impact

1.4

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality None

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

11.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-134

Affected Products 1

Vendor	Product	Version	Range
aquaplatform	revive_adserver	*	≥6.0.0 – ≤6.0.4

References 1

hackerone.com https://hackerone.com/reports/3445332

Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.