CVE-2026-77602 OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.1.0 until 7.3.0, authenticated non-administrator users can write content under targetsmodified/ that is later executed by multiple configuration paths below the intended...

Malicious code in moidevl (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 76b05c7a5581562edc719cbaaf2f6b317d322a6a2ef96c9fc905b53394e42101 Despite a README describing a 'Windows diagnostic utility,' the package implements an anti-proctoring overlay for cheating on remote exams Safe Exam...

EUVD-2026-42267

Grav: Stored CSS injection via Markdown image resize bypasses prior media style sanitizers in Grav...

GHSA-FFMG-HFVG-JHG9 Grav: Stored CSS injection via Markdown image resize() bypasses prior media style sanitizers in Grav

Summary Grav 2.0.0-rc.9 and the current 2.0 branch still allow stored CSS injection through Markdown image media actions. The prior media hardening rejects direct ?style= payloads and unsafe attribute fallbacks, but the adjacent resize action still writes caller-controlled values directly into...

PT-2026-93433

Name of the Vulnerable Software and Affected Versions VeloCloud Edge affected versions not specified VeloCloud Gateway affected versions not specified Description An out-of-bounds write occurs when processing tunneled IP fragments between authenticated overlay neighbors. This issue specifically...

Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious website that could create a popup might resize the popup to overlay the address bar with its own content, causing potential confusion for users or leading to spoofing attacks. This bug only affects Thunderbird for Linux. Other operating systems are unaffected.. This vulnerability...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Of: overlay: Early call to callchangesetinit When ofoverlayfdtapply fails, the changeset may be partially applied. It is still expected that the caller will call ofoverlayremove to clean up this partial state. However,...

Astra Linux – Vulnerability in Firefox and Thunderbird

Through the use of reportValidity and window.open, a plain-text validation message could be displayed on another origin, potentially causing confusion for users and allowing for spoofing attacks. This vulnerability affects Firefox 93, Thunderbird 91.2, and Firefox ESR 91.2...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s Ext4 File System, where a user can trigger multiple file operations simultaneously using the overlay FS mechanism. This flaw allows a local user to crash the system or potentially escalate their privileges on the system. Only if patch...

Astra Linux – Vulnerabilities in Linux-6.1, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovl: Fixed a UAF Use-After-Free issue in ovldentryupdatereval by moving the dput function within ovllinkup. The issue arose because the dputupper function was called before ovldentryupdatereval, while upper-dflags was still...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovl: fixed the warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-d inode The reason is that the cgroup2 filesystem returns from mkdir without...

Astra Linux – Vulnerability in Linux

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs: Ovlcopyupmeta inodedata function skips permission checks when calling ohldosetxattr on Ubuntu kernels...

Astra Linux – Vulnerability in Firefox and Thunderbird

Due to a sequence of events controlled by the attacker, a JavaScript alert dialog with arbitrary although unstyled contents could be displayed over an uncontrolled web page of the attacker’s choice. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition accessing file objects in the Linux kernel OverlayFS subsystem was identified. This occurs when users renames files using OverlayFS in a specific manner. A local user could exploit this flaw to cause the system to crash...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A flaw was discovered in the Linux kernel, where unauthorized access to the execution of the setuid file with specific capabilities was detected within the OverlayFS subsystem of the Linux kernel. This issue occurs when a user copies a file with capabilities from a nosuid mount to another mount...

Astra Linux – Vulnerability in Linux 6.1

On Ubuntu kernels that carry both c914c0e27eb0 and “UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs. xattrs”, a non-privileged user may set privileged extended attributes on mounted files, causing those attributes to be applied to the upper files without the appropriate...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in the X.Org Server Overlay Window. A use-after-free could lead to local privilege escalation. If a client explicitly destroys the compositor overlay window also known as COW, the Xserver will retain a dangling pointer to that window in the CompScreen structure, which will...

Android malware creates a hidden copy of your banking app

Researchers at Group-IB found that the Android banking Trojan Gigabud can create a separate work profile on an infected phone and run a cloned banking app inside it. The attacker can then carry out fraudulent transactions in the new profile, potentially separating them from signs of malware...

CVE-2026-28656

In multiple functions of DeviceAdminAdd.java, there is a possible way to an overlay due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation...

CVE-2026-28650

In setHiddenWhileSuspended of WindowState.java, there is a possible overlay bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...