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29 December 2025

Vulnerabilities first published on this day (UTC), newest first.

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  • Critical 10.0
    CVE-2025-52691 Exploited · Ransomware Public exploit Scanner template EPSS 86%

    Upload Arbitrary Files

    Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.

    KEV Jan 26, 2026