Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

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
148.0.7778.96 affected < 148.0.7778.96

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html cve-icon cve-icon
https://issues.chromium.org/issues/496189510 cve-icon cve-icon
History

Thu, 07 May 2026 04:45:00 +0000

Type Values Removed Values Added
Title Chrome DevTools Policy Enforce Flaw Enables Cross-Origin Data Leak

Thu, 07 May 2026 01:15:00 +0000

Type Values Removed Values Added
Title Insufficient DevTools Policy Enforcement Allows Malicious Extension to Leak Cross‑Origin Data
Weaknesses CWE-200
CWE-284

Wed, 06 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics 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'}

ssvc

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

Wed, 06 May 2026 21:15:00 +0000

Type Values Removed Values Added
Title Insufficient DevTools Policy Enforcement Allows Malicious Extension to Leak Cross‑Origin Data
First Time appeared Google
Google chrome
Weaknesses CWE-200
CWE-284
Vendors & Products Google
Google chrome

Wed, 06 May 2026 18:30:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-06T21:47:59.531Z

Reserved: 2026-05-05T22:59:32.810Z

Link: CVE-2026-8004

cve-icon Vulnrichment

Updated: 2026-05-06T21:21:11.573Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-06T19:16:51.390

Modified: 2026-05-06T22:16:44.427

Link: CVE-2026-8004

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-07T04:30:21Z

Weaknesses