GHSA-5QR9-XXM9-6CMQ Microsoft Security Advisory CVE-2026-96229 - .NET and Visual Studio Information Disclosure Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.WindowsDesktop.App.Runtime WPF. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Restrictive XAML and...

GHSA-G44W-H65V-4CW9 Microsoft Security Advisory CVE-2026-96235 - .NET and Visual Studio Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.WindowsDesktop.App.Runtime WPF. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Crafted WPF...

GHSA-VRV5-2JG9-4MMR Microsoft Security Advisory CVE-2026-96222 - .NET Spoofing Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. KeyInfoX509Data can accept...

GHSA-2J93-M82W-73J2 Microsoft Security Advisory CVE-2026-96231 - .NET and Visual Studio Elevation of Privilege Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.NETCore.App.Runtime; System.Private.CoreLib. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Unix...

GHSA-2MXG-PRVG-9JFG Microsoft Security Advisory CVE-2026-85790 - .NET Information Disclosure Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.Native.Quic.MsQuic.Schannel. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Various vulnerabilities ...

GHSA-WXXW-5CVC-53J7 Microsoft Security Advisory CVE-2026-66822 - .NET and Visual Studio Information Disclosure Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Http. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. SocketsHttpHandler can retain a...

GHSA-RV87-CCXW-8GGF Microsoft Security Advisory CVE-2026-88092 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An aborted Kestrel...

GHSA-FPQ8-4VHR-RCXX Microsoft Security Advisory CVE-2026-70188 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Kestrel accepts newli...

GHSA-F4G7-52WC-P8X7 Microsoft Security Advisory CVE-2026-96236 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Localization. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. ASP.NET Core...

GHSA-4MPW-CPWJ-HXXJ Microsoft Security Advisory CVE-2026-70197 - .NET and Visual Studio Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Sockets. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. On Windows, reusing a SocketAsyncEventArgs...

GHSA-3RXQ-G8RJ-R2CF Microsoft Security Advisory CVE-2026-69651 - .NET and Visual Studio Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed XM...

GHSA-G27P-QF6J-C96C Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in the Blazor WebAssembly debugger included in Microsoft.AspNetCore.Components.WebAssembly.Server. This advisory also provides guidance on what developers can do to update their applicatio...

GHSA-7HQP-7C5M-4VQ6 Microsoft Security Advisory CVE-2026-96960 - .NET and Visual Studio Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed XM...

GHSA-87VJ-4HQV-22P9 Microsoft Security Advisory CVE-2026-96233 - .NET and Visual Studio Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Runtime. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. DateTime Hebrew-number parsing can read outside...

GHSA-86XP-94PG-8R6R Microsoft Security Advisory CVE-2026-92707 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.SignalR.Protocols.MessagePack; MessagePack; MessagePack.Annotations; MessagePackAnalyzer. This advisory also provides guidance on what developers can do to update...

GHSA-2FMV-RV2C-59X7 Microsoft Security Advisory CVE-2026-70162 - .NET Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Pkcs. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. On Windows,...

GHSA-R955-8Q5J-3H83 Microsoft Security Advisory CVE-2026-96958 - .NET and Visual Studio Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed XM...

GHSA-846F-F764-76MX Microsoft Security Advisory CVE-2026-84008 - .NET Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Pkcs. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. SignedCms.CheckSignature can...

GHSA-MC4Q-93X5-F6HJ Microsoft Security Advisory CVE-2026-58280 - .NET and Visual Studio Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml and System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed...

GHSA-FQPQ-CX42-9JMM Microsoft Security Advisory CVE-2026-70194 - .NET and Visual Studio Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Security. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. .NET 11 post-handshake TLS client...

GHSA-494H-XX7X-5FRH Microsoft Security Advisory CVE-2026-70183 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Components.Authorization. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A stale...

GHSA-57XR-HFXX-JW5X Microsoft Security Advisory CVE-2026-70196 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.WebUtilities. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Incrementally arriving form...

GHSA-5GJQ-3F94-RCF7 Microsoft Security Advisory CVE-2026-105016 - Microsoft QUIC Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft QUIC as used by .NET 8.0, .NET 9.0, .NET 10.0, and .NET 11 RC2 on Windows. This advisory also provides guidance on what developers can do to update their applications to remov...

GHSA-W5QQ-QRPP-RF4C Microsoft Security Advisory CVE-2026-70181 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.WebUtilities. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. FileBufferingReadStream...

GHSA-X3VP-85CM-Q97R Microsoft Security Advisory CVE-2026-70175 - ASP.NET Core Elevation of Privilege Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Identity and Microsoft.AspNetCore.Identity.UI. This advisory also provides guidance on what developers can do to update their applications to remove this...

GHSA-334F-VVP4-7G6P Microsoft Security Advisory CVE-2026-70159 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.SignalR.Common and Microsoft.AspNetCore.SignalR.Core. This advisory also provides guidance on what developers can do to update their applications to remove this...

GHSA-M687-P538-R5HP Vikunja: Permissive Cross-domain Security Policy trusts every localhost origin which should not be trusted

Summary Vikunja ships with cors.origins defaulting to http://127.0.0.1: and http://localhost:, and sends Access-Control-Allow-Credentials: true, so a page served from any port on the user's own machine may make credentialed cross-origin requests to the API and read the responses. The mandatory...

GHSA-FMMF-XQ98-G327 Vikunja: Write-level project members can delete admin-tier link shares through an unloaded permission check

Summary A project member with Write permission can delete an admin-tier link share on that project. The deletion authorization check reads the permission from an object populated only with URL IDs, rather than from the stored share. Its zero value is Read, so the check falls through to project...

GHSA-PJR3-86V4-5P7W Vikunja: Explicit lower-permission share on a sub-project is silently overridden by an inherited parent permission (broken access control / privilege-management regression in v2.6.0)

Description Summary In Vikunja v2.6.0 the project-permission engine resolves a user's effective permission on a project as the MAX over the entire reachable project subtree. As a result, when a user has been granted a higher permission on a parent project and the owner explicitly shares a child...

GHSA-HJX8-QV73-F7CM Vikunja: Webhooks and link shares survive every revocation path, so a removed collaborator keeps a live feed

Summary A collaborator removed from a project keeps a live, automatic feed of that project's contents, because nothing on any revocation path deletes the webhook they created while they had access. Vikunja already has a revocation-cleanup routine that deletes other derived rows for exactly this...

GHSA-FPRF-R6RV-XG99 Vikunja: Saved filter creation with an empty filter string recalculates task positions across all tenants

Summary In Vikunja v2.6.0 the task position recalculation that runs when a saved filter view is created fails open when the requesting user has no accessible projects. Instead of aborting, the search that feeds the recalculation loses its project scope entirely and returns every task in the...

GHSA-4HV6-XC92-J86G Vikunja: WebSocket authentication ignores server-side session state, so revoked sessions keep receiving live pushes

Summary Vikunja v2.6.0 introduced server-side sessions with revocation semantics: DELETE /api/v2/user/sessions/id documents "Revokes a specific session by its UUID", and enabling TOTP calls DeleteAllUserSessions to invalidate all sessions. The WebSocket endpoint accepts any cryptographically vali...

GHSA-J3HG-9RP3-5HW9 Nginx UI: Unauthenticated signed-request body staging can exhaust temporary storage

Summary In Nginx UI versions 2.5.0 through 2.5.x, the node-signature authentication path staged an attacker-controlled request body in a temporary file and synchronized it to disk before validating the body digest and cryptographic signature. An unauthenticated remote client that can reach the AP...

GHSA-9H23-53F4-Q947 Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout

Summary In Nginx UI versions 2.2.0 through 2.5.x, the official bundled reverse-proxy topology did not preserve the external client identity used by Gin. The backend treated the local proxy peer as the client because no trusted proxy was configured, while the proxy supplied the actual address in...

GHSA-PWHX-CVV3-QJ5C Tina: Code injection via unescaped Git branch name in generated client source

Summary @tinacms/cli inserts the raw Git branch value into the generated client.ts source without escaping or encoding. A Git-valid branch name can close the string literal and inject an arbitrary JavaScript expression that executes when the consumer build imports the generated client module...

GHSA-X34J-47HF-4XG7 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Summary The TinaCMS admin builds its preview from the // hash-router splat without checking that the value stays same-origin. A fragment with a doubled slash ///attacker.example/p becomes the protocol-relative URL //attacker.example/p, so the admin frames an external site. That same unvalidated...

GHSA-C42Q-QVC3-J6VG @tinacms/web-components: `tina-markdown` writes rich-text link URLs into `href` without scheme validation, allowing stored XSS

Summary renders a rich-text AST into the DOM and, for a nodes, assigns the node's URL straight to the anchor's href with no scheme check. A link authored in the CMS as javascript:… renders as a live javascript: anchor, so a visitor who clicks it executes attacker-supplied script in the site's...

GHSA-47C3-HPMG-7J6P Shiny for Python has path traversal in bookmark restore

Impact Shiny for Python's bookmark-restore path accepted a client-supplied stateid query-string value and joined it into the server-side bookmark directory /shinybookmarks/ without validating it. A value containing .. path segments, or an absolute path, could therefore cause the server to open an...

GHSA-W2CH-4XGR-22WW Vikunja: Task relation deletion does not check read access to the other task, allowing cross-project relation removal

Summary Deleting a task relation only requires write access on the base task. Unlike relation creation, it does not verify that the caller can read the other task. A user with write access to one project can therefore delete relations whose other end lives in a project they have no access to. Sin...

GHSA-8WVG-R2J4-3737 Vikunja: Assignee email addresses disclosed to read-only project members via the task assignees endpoint

Summary TaskAssginee.ReadAll returns assignee user objects without blanking the Email field, disclosing assignee email addresses to any read-only project member. Every sibling path that returns user objects obfuscates the email; this one does not. Details pkg/models/taskassignees.go lines 306-344...

GHSA-3HC7-R24J-RPWC Vikunja: Cross-project task disclosure through subtask expansion

Summary Vikunja lets a task in one project have a subtask that lives in a different project. When listing a project's tasks, an option pulls in those subtasks ?expand%5B%5D=subtasks. The main listing is correctly filtered to the projects the caller can access, but the subtask expansion is not: it...

GHSA-G38J-7V97-X298 Vikunja: CalDAV relation creation bypasses TaskRelation.CanCreate, allowing an unauthorized write into any task by known UID

Summary Creating a task relation over CalDAV does not run the TaskRelation.CanCreate permission check that the REST API enforces. An attacker can attach a relation to any task whose UID they know, including tasks in projects they have no access to. The identical operation over REST is correctly...

GHSA-X2RP-9QF7-2FMQ Contao: Protected page content is disclosed to anonymous visitors after contao.search.index_protected is disabled

ModuleSearch decides whether to filter protected pages out of search results based on the current value of contao.search.indexprotected, but the authorisation data lives per row in tlsearch. Turning the setting off removes the filter without removing the rows, so protected pages that were indexed...

GHSA-MFXH-VP55-7GC6 Contao: The registration module re-sends activation mails

ModuleRegistration::compile reaches its follow-up registration branch on any POST to a page carrying the module. That branch checks neither FORMSUBMIT nor the captcha result computed immediately above it, and resendActivationMail leads to OptInToken::send, which has no rate limit at all. Impact...

GHSA-9FF2-P842-45WQ Contao: Cross-site request forgery in custom backend actions

RequestTokenListener is the only generic REQUESTTOKEN validator in Contao and it only runs on POST. On the GET side the guard is local and declarative, and it only fires when an act parameter is present. Every back end action dispatched through a different parameter therefore has no CSRF protecti...

GHSA-MRVP-7WMX-5M4H Contao: Path traversal in the images controller

ImagesController joins the user controlled path onto the configured image target directory with Path::join, which canonicalises .. segments, and never calls Path::isBasePath to confirm the result stayed inside that directory. An unauthenticated GET with percent encoded dot segments therefore...

GHSA-628F-V4F6-P37R Contao: Cross-site scripting in the comments bundle

An unauthenticated front end visitor can post a comment containing a XSS injection. The victim is any back end user who opens the Comments module, and moderation makes exposure certain rather than preventing it. No Content-Security-Policy header is sent on the Contao back end, so nothing mitigate...

GHSA-Q6WP-FR43-GM9V Contao: Improper access control in the preview links module

core-bundle/config/services.yaml registers the preview access voter with the class Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter, but the class shipped on disk is named PreviewVoter. Symfony resolves the class with getReflectionClass$class, false, gets null, silently skips the...

GHSA-5974-GFQC-WRCM Contao: Improper access control in the table access voter

Due to a caching defect in the security voter that governs table-level access to Contao's Data Container DCA backend, a low-privileged, non-admin backend user can obtain unauthorized read, create, update, and delete access to database tables outside their assigned module permissions. This include...

GHSA-WQ92-8X3R-FM38 Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API

Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API Summary The always-registered Planka migration lets any ordinary user select a Planka server. Although Vikunja caps each JSON response, pagination loop, and attachment independently, it has no...