CVE-2026-13893 - Vulnerability Details

Description

Insufficient validation of untrusted input in WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Published: 2026-06-30

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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.

Vendor Product Confidence Versions

Google

Chrome

100%

Version	Status	Scheme	Platform
`[0,150.0.7871.47)`	affected	generic	—

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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 DLA	DLA-4672-1	chromium security update
Debian DSA	DSA-6378-1	chromium security update

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 0.00293.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html
https://issues.chromium.org/issues/501729582

History

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

Type	Values Removed	Values Added
Title		Chrome WebUI Improper Input Validation Allows Cross-Origin Data Leakage

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

Type	Values Removed	Values Added
Title	Chrome WebUI Input Validation Flaw Causing Cross‑Origin Data Leakage

Tue, 07 Jul 2026 04:45:00 +0000

Type	Values Removed	Values Added
Title		Chrome WebUI Input Validation Flaw Causing Cross‑Origin Data Leakage

Mon, 06 Jul 2026 12:45:00 +0000

Type	Values Removed	Values Added
Title	Unvalidated WebUI Input Enables Cross-Origin Data Leakage in Google Chrome

Sun, 05 Jul 2026 23:30:00 +0000

Type	Values Removed	Values Added
Title		Unvalidated WebUI Input Enables Cross-Origin Data Leakage in Google Chrome

Sun, 05 Jul 2026 15:15:00 +0000

Type	Values Removed	Values Added
Title	Untrusted Input Validation Failure in Chrome WebUI Allows Cross-Origin Data Leakage

Sat, 04 Jul 2026 23:30:00 +0000

Type	Values Removed	Values Added
Title		Untrusted Input Validation Failure in Chrome WebUI Allows Cross-Origin Data Leakage

Sat, 04 Jul 2026 12:00:00 +0000

Type	Values Removed	Values Added
Title	Chrome WebUI Allows Cross‑Origin Data Leakage through Unvalidated Input

Fri, 03 Jul 2026 20:15:00 +0000

Type	Values Removed	Values Added
Title		Chrome WebUI Allows Cross‑Origin Data Leakage through Unvalidated Input

Fri, 03 Jul 2026 09:30:00 +0000

Type	Values Removed	Values Added
Title	Chrome WebUI Input Validation Failure Enables Cross‑Origin Data Leakage

Thu, 02 Jul 2026 23:00:00 +0000

Type	Values Removed	Values Added
Title		Chrome WebUI Input Validation Failure Enables Cross‑Origin Data Leakage

Thu, 02 Jul 2026 09:15:00 +0000

Type	Values Removed	Values Added
Title	Insufficient WebUI Input Validation Enables Cross‑Origin Data Leakage

Wed, 01 Jul 2026 22:30:00 +0000

Type	Values Removed	Values Added
Title		Insufficient WebUI Input Validation Enables Cross‑Origin Data Leakage

Wed, 01 Jul 2026 16:30:00 +0000

Type	Values Removed	Values Added
Title	Cross‑Origin Data Leakage via WebUI Input Validation Flaw in Chrome

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

Type	Values Removed	Values Added
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 via WebUI Input Validation Flaw in Chrome

Wed, 01 Jul 2026 09:30:00 +0000

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

Wed, 01 Jul 2026 08:15:00 +0000

Type	Values Removed	Values Added
Title	Cross‑Origin Data Leakage in Chrome WebUI due to Input Validation Failure

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

Type	Values Removed	Values Added
Title		Cross‑Origin Data Leakage in Chrome WebUI due to Input Validation Failure

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

Type	Values Removed	Values Added
Description		Insufficient validation of untrusted input in WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
Weaknesses		CWE-20
References		https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html https://issues.chromium.org/issues/501729582

Subscriptions

Google Chrome

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-06-30T22:38:11.854Z

Updated: 2026-07-01T19:04:15.035Z

Reserved: 2026-06-29T23:03:43.974Z

Link: CVE-2026-13893

Vulnrichment

Updated: 2026-07-01T14:17:12.589Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-08T20:00:04Z

Weaknesses

CWE-20

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

Exploitation none

Automatable no

Technical Impact partial

Subscriptions

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