CVE-2026-54707

OnionShare contains a vulnerability (CVE-2026-54707) in the Receive mode logic prior to version 2.6.4. The root cause, per the provided description, is that ReceiveModeRequest._get_file_stream() wrote multipart file[] data to disk even when the text-only Receive mode setting was enabled. This cou...

CVE-2026-54707 OnionShare Receive mode writes uploaded files even when file uploads are disabled

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

CVE-2026-54707 OnionShare Receive mode writes uploaded files even when file uploads are disabled

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

CVE-2026-54707

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

CVE-2026-54707 OnionShare Receive mode writes uploaded files even when file uploads are disabled

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

EUVD-2026-51570

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

CVE-2026-54707

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop does not enforce the Receive mode disablefiles setting in cli/onionsharecli/web/receivemode.py, where...

GHSA-V833-3823-CMHP OnionShare Receive mode writes uploaded files even when file uploads are disabled

Summary OnionShare CLI/Desktop 2.6.3 does not enforce the Receive mode disablefiles setting at the file upload sink. When a Receive service is configured as a text-message-only endpoint --disable-files / "Disable uploading files", a remote sender who can reach the OnionShare service can still sen...

OnionShare Receive mode writes uploaded files even when file uploads are disabled

Summary OnionShare CLI/Desktop 2.6.3 does not enforce the Receive mode disablefiles setting at the file upload sink. When a Receive service is configured as a text-message-only endpoint --disable-files / "Disable uploading files", a remote sender who can reach the OnionShare service can still sen...

CVE-2026-17348

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

CVE-2026-17350

The per-tool permission system custom roles / role-based tool permissions, introduced in pgAdmin 4 9.3 did not enforce its permission check consistently. In SERVER mode, pgAdmin 4 gates each tool behind a per-tool Flask-Security permission, but the permission decorator permissionsrequired was...

CVE-2026-17350 pgAdmin 4: Tool permission bypass via backend routes and Socket.IO handlers

The per-tool permission system custom roles / role-based tool permissions, introduced in pgAdmin 4 9.3 did not enforce its permission check consistently. In SERVER mode, pgAdmin 4 gates each tool behind a per-tool Flask-Security permission, but the permission decorator permissionsrequired was...

CVE-2026-17350 pgAdmin 4: Tool permission bypass via backend routes and Socket.IO handlers

The per-tool permission system custom roles / role-based tool permissions, introduced in pgAdmin 4 9.3 did not enforce its permission check consistently. In SERVER mode, pgAdmin 4 gates each tool behind a per-tool Flask-Security permission, but the permission decorator permissionsrequired was...

CVE-2026-17348 pgAdmin 4: Missing authentication decorator on Constraints, preferences, Debugger and Schema Diff routes allows unauthenticated access in SERVER mode (incomplete fix for CVE-2026-12046)

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

CVE-2026-17348 pgAdmin 4: Missing authentication decorator on Constraints, preferences, Debugger and Schema Diff routes allows unauthenticated access in SERVER mode (incomplete fix for CVE-2026-12046)

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

CVE-2026-17348 pgAdmin 4: Missing authentication decorator on Constraints, preferences, Debugger and Schema Diff routes allows unauthenticated access in SERVER mode (incomplete fix for CVE-2026-12046)

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

CVE-2026-17348

In pgAdmin 4 SERVER mode, CVE-2026-17348 describes missing authentication enforcement on several routes (Constraints blueprint: nodes, proplist, and delete; preferences.get_all_cli; debugger.close; schema_diff.close). The lack of @pga_login_required allows an unauthenticated client to enumerate c...

EUVD-2026-51561

In SERVER mode, pgAdmin 4 enforces authentication per route via the @pgaloginrequired decorator; the application's beforerequest hook only handles desktop-mode auto-login and the Kerberos/Webserver-auth redirect, so any route shipped without the decorator is reachable without authentication...

kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

A flaw was found in the Kernel-based Virtual Machine KVM for x86. This vulnerability occurs when KVM incorrectly re-checks Level 1 L1 intercepts during the completion of userspace I/O emulation for a Level 2 L2 instruction. If the L1 or host userspace modifies I/O interception settings during thi...

UBUNTU-CVE-2026-18358

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daemon is running in system mode with RDP enabled, the incoming connection handler bypasses the connection throttler, allowing an unauthenticated remote attacker to open many parallel pre-authentication...