[ SECURITY ADVISORY DOSSIER // CIAMISKAB-CSIRT ]

SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability

CVE-2025-52691 Critical CVSS 10 In-The-Wild Exploited Ransomware Known

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Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026

SmarterTools SmarterMail contains an unrestricted upload of file with dangerous type vulnerability that could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk	Versi Basis	Batas Terdampak	Status Keamanan
SmarterMail	SmarterMail versions Build 9406 and earlier	—	AFFECTED

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Threat Intelligence Matrix

CVE Identifier

CVE-2025-52691

Vendor / Project SmarterTools

Produk Terdampak SmarterMail

Skor CVSS

10 / 10.0

Status Eksploitasi AKTIF (In-The-Wild)

Kampanye Ransomware Teridentifikasi (Known)

Automatable (Wormable) Unknown

Dampak Teknis Total

Sumber Intelijen CISA KEV

Butuh Pendampingan Mitigasi?

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Peringatan Lainnya

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CVE-2026-7260 Medium

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CVE-2026-109619 Critical

RCE via stale global state

CSIRT Assistant

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