CVE-2026-113015

Incorrect Authorization in Chrome Workers Allows Origin Policy Bypass

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Incorrect authorization in Workers in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4853-1 chromium security update
Debian DSA Debian DSA DSA-6577-1 chromium security update
History
Type Values Removed Values Added
Title Incorrect Authorization in Chrome Workers Allows Origin Policy Bypass
Type Values Removed Values Added
Title Use‑After‑Free in Chrome Workers Enables Remote Code Execution via Crafted HTML Page
Type Values Removed Values Added
Weaknesses CWE-416
Type Values Removed Values Added
Description Use after free in Workers in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low) Incorrect authorization in Workers in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-863
Type Values Removed Values Added
Title Use‑After‑Free in Chrome Workers Enables Remote Code Execution via Crafted HTML Page
Type Values Removed Values Added
First Time appeared Google
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Use after free in Workers in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:21 PM
Reserved
Oct 19, 2026, 10:49 PM
Status
Modified
Published
Oct 20, 2026, 10:18 PM
Modified
Nov 3, 2026, 10:18 PM