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CVE-2026-95344 is a time-of-check/time-of-use vulnerability in Google Chrome DevTools before version 154.0.8037.57. The forwardKeyboardEvent() function reads mutable KeyboardEvent properties during shortcut allowlist validation and again during serialization, allowing a malicious DevTools extension to forward unauthorized shortcuts. Combined with an authorization gap in paused-debugger evaluation, these shortcuts allow an attacker to select another extension's content-script call frame and execute JavaScript with that extension's isolated-world bindings. The vulnerability bypasses extension isolation and can expose data accessible through the victim extension's APIs.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A DevTools race condition affecting Google Chrome before version 154.0.8037.57 permits a remote attacker to bypass site isolation using a crafted extension and social engineering. The advisory flags affected Chainguard Chromium packages, reports available exploits, and assigns a CVSS v3 base score of 8.0. Chromium rates the vulnerability's severity as Medium.
A medium-severity race condition in Chrome DevTools that can enable a remote attacker, through social engineering and a crafted Chrome extension, to bypass Chrome site isolation in versions before 154.0.8037.57.
Race condition in DevTools.
Race-condition vulnerability in DevTools.
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.