EUVD-2026-48457

Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network...

PT-2026-64444

Summary The GHSA-6c99-87fr-6q7r fix wrapped WebAuthn authenticator deserialization in an ObjectInputFilter meant to allow only AuthenticatorImpl, but it short-circuits to ALLOWED for any object at stream depth 1. Because the Java serialization filter is consulted for every class in the graph and...

PT-2026-64203

Name of the Vulnerable Software and Affected Versions Microsoft M365 Copilot affected versions not specified Description Deserialization of untrusted data allows an authorized attacker to execute code over a network. Deserialization is the process of converting a data stream back into an object,...

PT-2026-64267

A critical architectural breakdown targeting enterprise secret storage engines has been disclosed over the last 24 hours. A severe Zero-Day flaw dubbed "VaultSmuggle" tracked as CVE-2026-93401, CVSS 9.8 has been publicly revealed, heavily impacting HashiCorp Vault and OpenBao core clusters. When...

PT-2026-64440

Summary A type confusion issue in seroval.fromJSON allowed attacker-controlled JSON input to cause Promise control nodes to operate on values from the general deserialization reference table without first verifying that those values were genuine internal promise resolver records. In applications...

Security Bulletin:IBM webMethods Integration could allow an unauthenticated remote attacker to execute arbitrary code on the system due to the deserialization of untrusted data

Summary WmServiceMock is bundled with IBM webMethods Integration Server. Remediation steps are provided below CVE-2026-12118 Vulnerability Details CVEID:CVE-2026-12118 DESCRIPTION: IBM webMethods Integration could allow an unauthenticated remote attacker to execute arbitrary code on the system du...

CVE-2026-21655

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0...

CVE-2026-21655

CVE-2026-21655 describes a deserialization of untrusted data vulnerability in Johnson Controls Victor on Windows, affecting Victor versions 2.9 prior to 3.0. The issue arises from deserializing untrusted data in the Victor application server, leading to high impact on confidentiality, integrity, ...

CVE-2026-21655 C-CURE 9000 and Victor application server - Deserialization of Untrusted Data

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0...

CVE-2026-21655 C-CURE 9000 and Victor application server - Deserialization of Untrusted Data

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0...

CVE-2026-21655

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0...

EUVD-2026-48423

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586. This issue affects victor: from 2.9 before 3.0...

EUVD-2026-40847

c3p0 can, in combination with other libraries, compose to a "sink" for deserialization gadgets...

GHSA-W6W4-RJH9-9R58 c3p0 can, in combination with other libraries, compose to a "sink" for deserialization gadgets

Impact The JDBC spec defines the interface DataSource, with a method called getConnection, and ConnectionPoolDataSource, with a method called getPooledConnection. These methods are potentially dangerous. One way or another they trigger calls into JDBC drivers, which themselves are complicated,...

c3p0 can, in combination with other libraries, compose to a "sink" for deserialization gadgets

Impact The JDBC spec defines the interface DataSource, with a method called getConnection, and ConnectionPoolDataSource, with a method called getPooledConnection. These methods are potentially dangerous. One way or another they trigger calls into JDBC drivers, which themselves are complicated,...

React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

If application code allows attacker supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for attacker to trigger unexpected constructor execution on the client which would trigger outbound network traffic. This is only possible with very specific a...

Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities

Summary Multiple components with known vulnerabilities were addressed in IBM QRadar SIEM Vulnerability Details CVEID:CVE-2026-27830 DESCRIPTION: c3p0, a JDBC Connection pooling library, is vulnerable to attack via maliciously crafted Java-serialized objects and javax.naming.Reference instances...

Microsoft M365 Copilot Remote Code Execution Vulnerability

Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network...

RLSA-2026:41897 Important: .NET 10.0 security, bug fix, and enhancement update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.110 and .NET Runtime 10.0.10...

.NET 9.0 security, bug fix, and enhancement update

An update is available for dotnet9.0. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a managed-software framework. It implements a subset of the .NET...