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.
Is CVE-2025-52691 exploited?
Listed in the CISA KEV catalog on 2026-01-26.
Federal remediation due 2026-02-16.
Past that date by 180 days.
EPSS puts exploitation in the next 30 days at 85%.
Public exploit code: packaged in a public tool.
Public detection rules exist.
Which products and versions are affected?
No affected package list recorded here yet.
Is there a patch?
No patch identifier recorded here yet.
What PlainSec published about CVE-2025-52691
PlainSec has not published a story about this CVE.