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CVE-2026-15115 is a high-severity insufficient validation of untrusted input vulnerability in the WebAppInstalls component of Google Chrome on Android. In versions prior to 150.0.7871.115, improper validation of attacker-controlled input during web app installation handling can be triggered with a crafted HTML page, allowing a local attacker to bypass the browser's same-origin policy. The flaw is classified by Chromium as insufficient validation of untrusted input and affects origin isolation and browser security boundary enforcement rather than memory safety.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An input-validation flaw in Chrome's WebAppInstalls component allows a local attacker to bypass the same-origin policy using a crafted HTML page. The listed CVSS v3 score is 3.3, with user interaction required and low confidentiality impact, although Chromium classifies the vulnerability as High severity. The plugin recommends updating Chromium packages to 150.0.7871.114-1~deb12u1 or later.
A high-severity insufficient input validation vulnerability in Chrome's WebAppInstalls component.
A high-severity insufficient validation of untrusted input vulnerability in Chrome's WebAppInstalls component.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.