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SmarterTools SmarterMail RCE

ID: 1ab7a505-6586-543e-a44d-ce64a621b3ef

STIX ID: report--1ab7a505-6586-543e-a44d-ce64a621b3ef

Feed Name: FortiGuard Labs | FortiGuard Center - Outbreak Alerts

Threat Score
95/100

Date Published: 2026-04-06

Date Updated: 2026-07-28

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Enabling remote code execution: A critical unauthenticated file-upload vulnerability (CVE-2025-52691, CVSS 10.0) in SmarterTools SmarterMail allows attackers to upload arbitrary files and achieve RCE; CISA has added it to the Known Exploited Vulnerabilities catalog and SmarterTools released Build 9413 to address the issue—administrators should update immediately.

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