CVE-2026-21640
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-30

Assigner: HackerOne

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.
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Meta Information
Published
2026-01-20
Last Modified
2026-01-30
Generated
2026-06-16
AI Q&A
2026-01-20
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21640
EUVD
EUVD-2026-3329
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
aquaplatform revive_adserver From 6.0.0 (inc) to 6.0.4 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-134 The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
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Executive Summary

This vulnerability is a format string injection in the Revive Adserver settings. When certain character combinations are entered into a setting, it can cause a fatal PHP error that disables the admin user console.

Impact Analysis

The vulnerability can impact you by disabling the admin user console of the Revive Adserver, potentially preventing administrative access and management of the ad server.

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