CVE-2026-21640

Source
https://cve.org/CVERecord?id=CVE-2026-21640
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21640.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-21640
Published
2026-01-20T20:48:47.940Z
Modified
2026-07-17T03:45:54.413541807Z
Severity
  • 2.7 (Low) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21640.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "6"
                },
                {
                    "last_affected": "6.0.4"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cna_assigner": "hackerone"
}
References

Affected packages

Git / github.com/revive-adserver/revive-adserver

Affected ranges

Type
GIT
Repo
https://github.com/revive-adserver/revive-adserver
Events
Database specific
{
    "extracted_events": [
        {
            "introduced": "6.0.0"
        },
        {
            "last_affected": "6.0.4"
        }
    ],
    "cpe": "cpe:2.3:a:aquaplatform:revive_adserver:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

v6.*
v6.0.0
v6.0.1
v6.0.2
v6.0.3
v6.0.4

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21640.json"