[ SECURITY ADVISORY DOSSIER // CIAMISKAB-CSIRT ]

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability

CVE-2026-24423 Unknown In-The-Wild Exploited Ransomware Known

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Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026

SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command 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	0	100.0.9511	AFFECTED

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Threat Intelligence Matrix

CVE Identifier

CVE-2026-24423

Vendor / Project SmarterTools

Produk Terdampak SmarterMail

Skor CVSS

N/A / 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

CVE-2026-17544 High

Out-of-bounds write in bccomp() via crafted operand and scale

CVE-2026-17543 High

SQL injection in ext-pgsql via E'...' backslash breakout

CVE-2026-7260 Medium

Stack overflow in phar with circular symlinks

CVE-2026-109619 Critical

RCE via stale global state

CSIRT Assistant

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