Insufficient policy enforcement in Web Authentication (Passkeys & Security Keys) in Google Chrome on iOS prior to 150.0.7871.47 allowed an attacker in a privileged network position to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00255.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
150.0.7871.47 affected < 150.0.7871.47

No data.

No data.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html cve-icon
https://issues.chromium.org/issues/495897416 cve-icon
History

Sun, 26 Jul 2026 00:00:00 +0000

Type Values Removed Values Added
Title Web Authentication Policy Failure Allows Cross‑Origin Data Leakage in Chrome on iOS

Thu, 16 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
Title Web Authentication Policy Failure Allows Cross‑Origin Data Leakage in Chrome on iOS

Tue, 14 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement in Web Authentication API Allows Cross‑Origin Data Leakage on Chrome iOS

Mon, 13 Jul 2026 05:45:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement in Web Authentication API Allows Cross‑Origin Data Leakage on Chrome iOS

Fri, 10 Jul 2026 18:45:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome iOS

Thu, 09 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome iOS

Wed, 08 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome for iOS

Tue, 07 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome for iOS

Tue, 07 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Google Chrome on iOS

Mon, 06 Jul 2026 08:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Google Chrome on iOS

Sun, 05 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome for iOS

Sat, 04 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Web Authentication API in Chrome for iOS

Sat, 04 Jul 2026 04:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Chrome's Web Authentication API on iOS

Fri, 03 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Chrome's Web Authentication API on iOS

Fri, 03 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Chrome iOS Web Authentication Cross‑Origin Data Leakage Vulnerability

Thu, 02 Jul 2026 15:00:00 +0000

Type Values Removed Values Added
Title Chrome iOS Web Authentication Cross‑Origin Data Leakage Vulnerability

Thu, 02 Jul 2026 00:45:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage Through Web Authentication in Chrome on iOS
Weaknesses CWE-200
CWE-284

Wed, 01 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
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'}

Wed, 01 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage Through Web Authentication in Chrome on iOS
Weaknesses CWE-200
CWE-284

Wed, 01 Jul 2026 09:15:00 +0000

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

Wed, 01 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage Through Inadequate Web Authentication Policies in Chrome
Weaknesses CWE-200
CWE-284

Wed, 01 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage Through Inadequate Web Authentication Policies in Chrome
Weaknesses CWE-200
CWE-284

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Web Authentication (Passkeys & Security Keys) in Google Chrome on iOS prior to 150.0.7871.47 allowed an attacker in a privileged network position to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T14:29:03.177Z

Reserved: 2026-06-29T23:03:36.432Z

Link: CVE-2026-13862

cve-icon Vulnrichment

Updated: 2026-07-01T14:28:43.401Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-25T23:45:03Z

Weaknesses