Description
Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-05-06
Score: 4.3 Medium
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.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History

Sat, 09 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Insufficient validation of untrusted input in FedCM
Weaknesses CWE-346
References
Metrics threat_severity

None

threat_severity

Low


Thu, 07 May 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

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

Type Values Removed Values Added
Title Cross‑Origin Data Leak via FedCM Input Validation in Google Chrome

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

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

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

Type Values Removed Values Added
Title Cross‑Origin Data Leak via FedCM Input Validation in Google Chrome

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

Type Values Removed Values Added
Description Insufficient validation of untrusted input in FedCM in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-06T21:46:34.398Z

Reserved: 2026-05-05T22:59:35.052Z

Link: CVE-2026-8013

cve-icon Vulnrichment

Updated: 2026-05-06T20:59:15.452Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-06T19:16:52.250

Modified: 2026-05-07T15:19:30.703

Link: CVE-2026-8013

cve-icon Redhat

Severity : Low

Publid Date: 2026-05-05T00:00:00Z

Links: CVE-2026-8013 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-09T04:45:26Z

Weaknesses