CVE-2026-13022Network attack vector

Cross-origin data disclosure via Autofill origin validation

Published Jun 24, 2026 · Updated Jun 24, 2026

Origin validation error in Google Chrome Autofill before 149.0.7827.197 allows remote attackers to leak cross-origin data. Autofill fails to enforce the expected origin boundary when processing a crafted HTML page, exposing data belonging to another origin. Exploitation requires a renderer process already under attacker control and results only in data disclosure; no write or service interruption is reported.

CVSS severity6.5
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Origin validation error in Google Chrome Autofill before 149.0.7827.197 allows remote attackers to leak cross-origin data. Autofill fails to enforce the expected origin boundary when processing a crafted HTML page, exposing data belonging to another origin. Exploitation requires a renderer process already under attacker control and results only in data disclosure; no write or service interruption is reported.

The record

CVE
CVE-2026-13022
Published
Jun 24, 2026
Updated
Jun 24, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
CWE-346, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=149.0.7827.197 <149.0.7827.197

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Go standard library · Google Chromeversion=149.0.7827.197 <149.0.7827.197

Published CVSS scores

3.1CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-346Origin Validation Error
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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