CVE-2026-8576

chromium-browser: chromium-browser: Inappropriate implementation in CORS

Published May 14, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6273-1 chromium security update
History
Type Values Removed Values Added
First Time appeared Google chrome Os
Linux
Linux linux Kernel
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Google chrome Os
Linux
Linux linux Kernel
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-942
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
Title Chrome CORS Misimplementation Allows Cross‑Origin Data Leakage on Linux and ChromeOS chromium-browser: chromium-browser: Inappropriate implementation in CORS
Weaknesses CWE-940
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Chrome CORS Misimplementation Allows Cross‑Origin Data Leakage on Linux and ChromeOS
Weaknesses CWE-200
Type Values Removed Values Added
Description Inappropriate implementation in CORS in Google Chrome on Linux and ChromeOS prior to 148.0.7778.168 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 15, 2026, 1:44 PM
Reserved
May 14, 2026, 5:40 AM
Status
Analyzed
Published
May 14, 2026, 8:17 PM
Modified
Oct 26, 2026, 2:10 PM
Severity
Moderate
Public date
May 14, 2026, 7:52 PM