CVE-2026-44558

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the channel router does not call filterallowedaccessgrants on either create or update paths. A non-admin user who can create group channels or who owns a channel can submit arbitrary...

python: Python: Command-line option injection in webbrowser.open() via crafted URLs

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

cpython: CPython: Logging Bypass in Legacy .pyc File Handling

A flaw was found in CPython. This vulnerability allows a local user with low privileges to bypass security auditing mechanisms. The issue occurs because the SourcelessFileLoader component, responsible for handling older Python compiled files .pyc, does not properly trigger system audit events. Th...

freeipmi: buffer overflows on response messages via ipmi-oem

A flaw was found in FreeIPMI. The ipmi-oem program is used to send Intelligent Platform Management Interface IPMI OEM commands for specific hardware vendors to retrieve specific information from the hardware. A malicious server can reply with crafted response messages and cause buffer overflows...

postgresql: PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code

A type validation flaw has been discovered in PostgreSQL. Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database...

Important: Red Hat Security Advisory: Assisted Installer RHEL 9 components for Multicluster Engine for Kubernetes 2.10.3

Assisted installer RHEL 9 components for the multicluster engine for Kubernetes 2.10.3 General Availability release, with updates to container images. Assisted Installer RHEL 9 integrates components for the general multicluster engine for Kubernetes 2.10.3 release that simplify the process of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.16 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.16 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

CVE-2026-8967

Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8954

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-8953

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

UBUNTU-CVE-2026-43491

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the maximum server registration per node Current code does no bound checking on the number of servers added per node. A malicious client can flood NEWSERVER messages and exhaust memory. Fix this issue by...

The New Phishing Click: How OAuth Consent Bypasses MFA

In February 2026, a phishing-as-a-service PhaaS platform called EvilTokens went live. Within five weeks, it had compromised more than 340 Microsoft 365 organizations across five countries. The targets of the platform received a message asking them to enter a short code at microsoft.com/devicelogi...

CVE-2026-43493

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAYBACKLOG requests MAYBACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications...

CVE-2026-43492

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl Yiming reports an integer underflow in mpireadrawfromsgl when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy...

RHSA-2026:18055 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

Bulletin has no description...

RHSA-2026:18054 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

Bulletin has no description...

The Worm That Keeps on Digging: TeamPCP Hits @antv in Latest Wave

Multi-ecosystem supply chain compromise by TeamPCP targets GitHub, NPM, and VSCode to steal credentials and establish persistence...

Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to a Denial of Service due to jackson-core ( WS-2026-0003 )

Summary IBM App Connect Enterprise and IBM Integration Bus for z/OS runtime and toolkit are vulnerable to a Denial of Service due to jackson-core. Vulnerability Details ID:WS-2026-0003 DESCRIPTION: The non-blocking async JSON parser in jackson-core bypasses the maxNumberLength constraint default:...

CVE-2026-44553

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

CVE-2026-44552

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the toolservers and terminalservers keys in utils/tools.py do use a prefix. When two or more Open WebUI instances share a Redis database a supported and documented deployment pattern...