Description
Insufficient validation of untrusted input in ReadingMode in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass site Isolation via a crafted HTML page. (Chromium security severity: High)
Published: 2026-05-14
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6273-1 chromium security update
History

Fri, 15 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

ssvc

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

cvssV3_1

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


Fri, 15 May 2026 12:15:00 +0000

Type Values Removed Values Added
Title Insufficient Input Validation in Chrome ReadingMode Enables Site Isolation Bypass chromium-browser: chromium-browser: Insufficient validation of untrusted input in ReadingMode
Weaknesses CWE-1289
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

threat_severity

Important


Thu, 14 May 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 14 May 2026 22:30:00 +0000

Type Values Removed Values Added
Title Insufficient Input Validation in Chrome ReadingMode Enables Site Isolation Bypass

Thu, 14 May 2026 20:15:00 +0000

Type Values Removed Values Added
Description Insufficient validation of untrusted input in ReadingMode in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass site Isolation via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-15T13:55:54.170Z

Reserved: 2026-05-14T05:40:16.763Z

Link: CVE-2026-8536

cve-icon Vulnrichment

Updated: 2026-05-15T13:55:48.331Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-14T20:17:14.457

Modified: 2026-05-15T15:16:54.667

Link: CVE-2026-8536

cve-icon Redhat

Severity : Important

Publid Date: 2026-05-14T19:52:21Z

Links: CVE-2026-8536 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-15T16:30:03Z

Weaknesses