CVE-2026-40118

| EUVD-2026-23192 MEDIUM
2026-04-16 jpcert GHSA-rhf4-34xg-3v3j
Information Disclosure
5.1
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

2
CVSS Changed
Apr 16, 2026 - 05:35 NVD
6.3 (MEDIUM) 5.1 (MEDIUM)
Analysis Generated
Apr 16, 2026 - 05:17 vuln.today

DescriptionNVD

UDP Console provided by Arcserve contains an incorrectly specified destination in a communication channel vulnerability. When a user configures an activation server hostname of the affected product to a dummy URL, the product may unintentionally communicate with the dummy domain, causing information disclosure.

AnalysisAI

UDP Console in Arcserve allows information disclosure when an administrator configures the activation server hostname to an arbitrary or malicious URL, causing the product to unintentionally communicate with and leak data to the attacker-controlled domain. The vulnerability requires user interaction (configuring a malicious hostname) and affects all versions of Arcserve UDP Console, with CVSS 6.3 (network-accessible, low complexity) indicating moderate real-world risk. …

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CVE-2026-40118 vulnerability details – vuln.today
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