Type Confusion

Preact is vulnerable to Type Confusion. The vulnerability is due to weakened JSON serialization protections that allow specially crafted JSON objects to be treated as valid Virtual DOM nodes, which allows an attacker to inject malicious HTML or scripts when untrusted data is rendered without prop...

SUSE CVE-2026-22028

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028

A flaw was found in Preact, a lightweight web development framework. A security regression allows an attacker to bypass JSON serialization protection, leading to HTML injection. This vulnerability arises when applications process unsanitized data from external sources, allowing malicious JSON to ...

CVE-2026-22028

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

UBUNTU-CVE-2026-22028

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

EUVD-2026-1184

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028 Preact has JSON VNode Injection issue

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028 Preact has JSON VNode Injection issue

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028 Preact has JSON VNode Injection issue

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

CVE-2026-22028

CVE-2026-22028 affects Preact where a regression in 10.26.5 weakened JSON serialization protection, allowing JSON payloads to be mis-parsed as valid VNodes and potentially leading to HTML injection and script execution if CSP or other mitigations are not in place. Affected versions include 10.26....

CVE-2026-22028

Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A regression introduced in Preact 10.26.5 caused this protection to be softened. In applications where values from JSON payloads are assumed t...

preact 安全漏洞

preact is a Java library from Preact open source. A security vulnerability exists in preact version 10.26.5, which stems from weakened JSON serialization protection and could lead to HTML injection...

Linux Distros Unpatched Vulnerability : CVE-2026-22028

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON. A...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview org.webjars.npm:preact is a fast 3kB alternative to React with the same modern API. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' during rendering in the vnode constructor. An attacker can inject arbitrary HTML or execute...

GHSA-36HM-QXXP-PG3M Preact has JSON VNode Injection issue

Impact Vulnerability Type: HTML Injection via JSON Type Confusion Affected Versions: Preact 10.26.5 through 10.28.1 Severity: Low to Medium see below Who is Impacted? Applications using affected Preact versions are vulnerable if they meet all of the following conditions: 1. Pass unmodified,...

Preact has JSON VNode Injection issue

Impact Vulnerability Type: HTML Injection via JSON Type Confusion Affected Versions: Preact 10.26.5 through 10.28.1 Severity: Low to Medium see below Who is Impacted? Applications using affected Preact versions are vulnerable if they meet all of the following conditions: 1. Pass unmodified,...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview preact is a fast 3kB alternative to React with the same modern API. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' during rendering in the vnode constructor. An attacker can inject arbitrary HTML or execute scripts by...

PT-2026-2136

Name of the Vulnerable Software and Affected Versions Preact versions 10.26.5 through 10.26.9 Preact versions 10.27.0 through 10.27.2 Preact versions 10.28.0 through 10.28.1 Description Preact, a lightweight web development framework, has an issue with JSON serialization protection. A regression...

Malicious code in preact-cli-build (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 0b97d147bbe2f906512da2cfa2de62ecc0c18b2afd14ceb1dfd755122300ea57 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...