CVE-2026-8406

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-2026-21962 · 10.0 · Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability · Added 2026-08-24 · Due 2026-08-27CISA KEV · CVE-2026-73570 · Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability · Added 2026-08-21 · Due 2026-08-24NVD · 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-2026-21962 · 10.0 · Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability · Added 2026-08-24 · Due 2026-08-27CISA KEV · CVE-2026-73570 · Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability · Added 2026-08-21 · Due 2026-08-24

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CVE-2026-8406

· N/ADeferred

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CVSS v3.1

N/A

CVSS v4.0

7.1

EPSS

0.24%

Published

Jun 11, 2026

Modified

Jun 11, 2026

Public PoC / Exploit (1)

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

Description

openSIS Classic 9.3 contains an insecure direct object reference vulnerability in the messaging module. Any authenticated user with access to the messaging module can request sent-message details from modules/messaging/SentMail.php by supplying an arbitrary mail_id value.

Weaknesses (CWE)

CWE-639

References (4)

https://fluidattacks.com/es/advisories/melanie

https://github.com/OS4ED/openSIS-Classic

https://github.com/OS4ED/openSIS-Classic/commit/c45d43146167324bae06bdf09de3e4bd2e5e478f

https://fluidattacks.com/es/advisories/melanie

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