CVE-2025-12790

Signals

NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-64849 · MLflow Server-Side Request Forgery Vulnerability · Added 2026-08-19 · Due 2026-09-02CISA KEV · CVE-2026-33824 · 9.8 · Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability · Added 2026-08-18 · Due 2026-08-21NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-64849 · MLflow Server-Side Request Forgery Vulnerability · Added 2026-08-19 · Due 2026-09-02CISA KEV · CVE-2026-33824 · 9.8 · Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability · Added 2026-08-18 · Due 2026-08-21

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CVE-2025-12790

· HIGHDeferred

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CVSS v3.1

7.4

EPSS

0.35%

Published

Nov 6, 2025

Modified

Apr 14, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

A flaw was found in Rubygem MQTT. By default, the package used to not have hostname validation, resulting in possible Man-in-the-Middle (MITM) attack.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-29

References (3)

https://access.redhat.com/security/cve/CVE-2025-12790

https://bugzilla.redhat.com/show_bug.cgi?id=2413004

https://github.com/njh/ruby-mqtt/blob/main/NEWS.md#ruby-mqtt-version-070-2025-10-29

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