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.
Metrics
Affected Vendors & Products
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References
| Link | Providers |
|---|---|
| https://hackerone.com/reports/3445332 |
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History
Tue, 20 Jan 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 |
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| Metrics |
cvssV3_0
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MITRE
Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2026-01-20T20:48:47.940Z
Reserved: 2026-01-01T15:00:02.339Z
Link: CVE-2026-21640
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-01-20T21:16:06.063
Modified: 2026-01-20T21:16:06.063
Link: CVE-2026-21640
Redhat
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OpenCVE Enrichment
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