CVE-2025-4051Network attack vector

Access-control bypass through crafted DevTools interactions

Published May 5, 2025 · Updated May 6, 2025

Insufficient data validation in Chrome DevTools before 136.0.7103.59 allows remote attackers to bypass discretionary access control. Google has not disclosed the affected DevTools validation path or the operation that accepts untrusted page data. Exploitation requires specific UI gestures on a crafted HTML page; the published record does not identify the protected resource.

CVSS severity6.3
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient data validation in Chrome DevTools before 136.0.7103.59 allows remote attackers to bypass discretionary access control. Google has not disclosed the affected DevTools validation path or the operation that accepts untrusted page data. Exploitation requires specific UI gestures on a crafted HTML page; the published record does not identify the protected resource.

The record

CVE
CVE-2025-4051
Published
May 5, 2025
Updated
May 6, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-284, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 5, 2025CVE publishedPublication date reported by the CVE source.
  2. May 6, 2025Record 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=136.0.7103.59 <136.0.7103.59

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=136.0.7103.59 <136.0.7103.59

Published CVSS scores

6.3CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

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-284Improper Access Control
T1204User Execution

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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