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Google Chrome CVE-2026-17833

| EUVDEUVD-2026-50582 MEDIUM
Origin Validation Error (CWE-346)
2026-07-30 Chrome GHSA-3xr2-3348-786h
Medium
Disputed · 4.3 Vendor: Chrome
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Severity by source

Sources disagree (Medium–Critical)
Vendor (Chrome) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vuln.today AI
4.3 MEDIUM

Network-delivered via crafted page (AV:N/AC:L/PR:N); user must visit the page (UI:R); impact is limited to partial cross-origin data disclosure with no integrity or availability effect (C:L/I:N/A:N).

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
CRITICAL
qualitative
Red Hat
6.5 MEDIUM
qualitative

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorVendor: Chrome

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Jul 30, 2026 - 19:46 vuln.today
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 30, 2026 - 00:19 cve.org
MEDIUM 4.3

DescriptionCVE.org

Inappropriate implementation in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Cross-origin data leakage in Google Chrome's Passwords component (prior to 151.0.7922.72) allows a remote attacker to read credential or password-related data across origin boundaries by enticing a user to visit a crafted HTML page. The flaw stems from an origin validation error (CWE-346) in the Passwords feature, where Chrome fails to properly enforce same-origin constraints. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker crafts malicious HTML page
Delivery
Victim clicks link and visits page
Exploit
Chrome Passwords component invoked
Execution
Origin validation check bypassed
Impact
Cross-origin password-related data leaked to attacker origin

Vulnerability AssessmentAI

Exploitation Exploitation requires that the victim is running Google Chrome prior to version 151.0.7922.72 and visits an attacker-crafted HTML page (UI:R - active user interaction is mandatory). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 4.3 (Medium) reflects a network-delivered attack requiring user interaction (UI:R) with limited confidentiality impact (C:L) and no integrity or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a specially crafted HTML page and distributes the link via phishing, malicious ads, or social engineering. When a Chrome user (prior to 151.0.7922.72) visits the page, the malicious content triggers the origin validation flaw in Chrome's Passwords subsystem, causing credential-related data from a cross-origin context to leak back to the attacker's page. …
Remediation Vendor-released patch: Chrome 151.0.7922.72. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
SUSE Package Hub 15 SP7 Affected

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CVE-2026-17833 vulnerability details – vuln.today

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