Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Check ownership before using vma. When installing missing pages or zapping them, Rust Binder will look up the vma in the memory management unit by address, and then call vminsertpage or zappagerangesingle. However, if...

EUVD-2026-30489

MCP Registry: OCI validator skips ownership check on upstream rate limits...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-44569

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, there's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability...

CVE-2026-44569

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, there's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-45781 MCP Registry: OCI ownership validation fails open on upstream rate limits, allowing attacker-controlled package claims

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-45781 MCP Registry: OCI ownership validation fails open on upstream rate limits, allowing attacker-controlled package claims

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-45781

The CVE-2026-45781 issue affects the MCP Registry: before 1.7.9, OCI ownership validation can skip the label-match check when upstream OCI registry responses are HTTP 429. This allows an authenticated publisher to bind their io.github./* namespace to OCI images they do not control because the lab...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the updatemessagebyid and deletemessagebyid endpoints due to missing ownership validation for messages. An attacker can alter or remove messages belonging to other users by sending...

GHSA-JXWR-G6R6-J3FX Open WebUI's Insecure Message Access Breaks Authorization

Description There's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they have read access to. The vulnerability exists in the message update and delete endpoints, which implement channel-level authorization but...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

OpenMage LTS: Cross-user Wishlist Import Leads To Private Option & File Disclosure

Cross-user wishlist item import via shared wishlist code, leading to private option disclosure and file-disclosure variant Summary The shared wishlist add-to-cart endpoint authorizes access with a public "sharingcode", but loads the acted-on wishlist item by a separate global "wishlistitemid" and...

CVE-2026-2028

The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxiremovecustomimagesize' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-leve...

EUVD-2026-25372

The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxiremovecustomimagesize' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-leve...

Flowise: Mass Assignment in DocumentStore Create Endpoint Leads to Cross-Workspace Object Takeover (IDOR)

Summary A Mass Assignment vulnerability in the DocumentStore creation endpoint allows authenticated users to control the primary key id and internal state fields of DocumentStore entities. Because the service uses repository.save with a client-supplied primary key, the POST create endpoint behave...

GHSA-MXXH-FMJQ-J6X4 Mattermost doesn't validate whether users were correctly owned by the correct Connected Workspace

Mattermost versions 10.11.x = 10.11.12 fail to validate whether users were correctly owned by the correct Connected Workspace which allows a malicious remote server connected using the Conntexted Workspaces feature to change the displayed status of local users via the Connected Workspaces API...

Incorrect Authorization

Overview froxlor/froxlor is a server administration software. Affected versions of this package are vulnerable to Incorrect Authorization in the add process of the EmailSender component due to improper domain ownership validation. An attacker can impersonate users on domains belonging to other...

CVE-2026-27769

Mattermost versions 10.11.x = 10.11.12 fail to validate whether users were correctly owned by the correct Connected Workspace which allows a malicious remote server connected using the Conntexted Workspaces feature to change the displayed status of local users via the Connected Workspaces API...