Writer AI Flaw Could Let Agent Previews Leak Session Tokens Across Tenants

Cybersecurity researchers have disclosed details of a now-patched critical session isolation vulnerability in Writer, an enterprise generative artificial intelligence AI platform, that could result in cross-tenant compromise. The one-click vulnerability has been codenamed WriteOut by the Sand...

PYSEC-2026-1645 Undefined Behavior in mlflow

A vulnerability in mlflow/mlflow version 2.11.1 allows attackers to create multiple models with the same name by exploiting URL encoding. This flaw can lead to Denial of Service DoS as an authenticated user might not be able to use the intended model, as it will open a different model each time...

PYSEC-2026-1694 Denial of service in neutron

An uncontrolled resource consumption flaw was found in openstack-neutron. This flaw allows a remote authenticated user to query a list of security groups for an invalid project. This issue creates resources that are unconstrained by the user's quota. If a malicious user were to submit a significa...

CVE-2026-34198

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the TrustProxies middleware trusts all proxies $proxies = '', accepting X-Forwarded-Host from any source. The TrustHosts middleware, intended to prevent host header attacks...

Medium: containerd

Issue Overview: x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically bas...

Important: python3.13

Issue Overview: tarfile.extractall with the 'data' or 'tar' filter could be bypassed by a crafted archive where a hardlink references a symlink stored at a deeper name than the hardlink itself. The extraction fallback validated the symlink at it's archived location but recreated it at the...

MCP Ruby SDK - Ruby SSE Session Poisoning

Summary Vulnerability: Missing Session Ownership Validation in the Ruby MCP SDK's Streamable and SSE HTTP transport implementation. Any attacker with a stolen session ID can execute tools with the victim's session. This is a silent attack - the victim's session is compromised and being used for...

Important: docker

Issue Overview: x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically bas...

PT-2026-56249

Name of the Vulnerable Software and Affected Versions Dashy versions prior to 4.3.7 Description The workspace view fails to validate the scheme of the URL query parameter before assigning it to an iframe source. This allows an attacker to execute JavaScript on the Dashy origin by tricking a...

CVE-2026-41899

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, POST /api/feedback has no authentication, no rate limiting, and no input validation, allowing arbitrary content to be forwarded directly to a Discord webhook and enabling...

CVE-2026-43927

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, a race condition in the cart checkout flow allows an authenticated client to apply a promo code beyond its configured maximum uses. By sending concurrent checkout requests before any single request...

EUVD-2026-41962

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, an unauthenticated mass assignment vulnerability in the client self-registration endpoint allows any visitor to assign themselves to an arbitrary client group during sign-up. Because client groups can...

Linuxfabrik Monitoring Plugins have local privilege escalation using embedded command

Summary When a check plugin places user provided input inside a command which is passed to shellexec, an attacker can abuse this to run arbitrary commands. This is mainly dangerous for plugins which are listed in the sudoers file, because this allows an attacker controlling the nagios user to get...

CVE-2026-41899

CVE-2026-41899 affects Coolify prior to 4.0.0-beta.474. The POST /api/feedback endpoint is unauthenticated, lacks rate limiting and input validation, allowing arbitrary content to reach a Discord webhook and enabling spam, content injection, and webhook abuse. Remediation: upgrade to Coolify 4.0....

EUVD-2026-41951

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, POST /api/feedback has no authentication, no rate limiting, and no input validation, allowing arbitrary content to be forwarded directly to a Discord webhook and enabling...

CVE-2026-41899 Coolify unauthenticated feedback endpoint allows Discord webhook abuse

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, POST /api/feedback has no authentication, no rate limiting, and no input validation, allowing arbitrary content to be forwarded directly to a Discord webhook and enabling...

CVE-2026-41899

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, POST /api/feedback has no authentication, no rate limiting, and no input validation, allowing arbitrary content to be forwarded directly to a Discord webhook and enabling...

CVE-2026-34050

CVE-2026-34050 affects Coolify, specifically the Settings/Updates Livewire component. The root cause is a missing isInstanceAdmin check in the component's mount method, allowing non-admin users to access the Updates settings page and potentially modify auto-update settings or trigger update check...

CVE-2026-59195

CVE-2026-59195 affects pnpm prior to versions 10.34.4 and 11.8.0. The issue arises when pnpm reads package names from the env lockfile’s configDependencies section and uses those names directly to create config dependency symlinks under node_modules/.pnpm-config. A crafted pnpm-lock.yaml with a t...

OESA-2026-2839 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: No limit was present on the number of pipelined requests that could be queued. Impact An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS.CVE-2026-54273 If an attacker sends...