EUVD-2026-74438
GHSA-r7mc-98mx-p9m8
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted HTML requiring active user visit (UI:R); impact limited to partial cross-origin data read with no integrity or availability consequence (C:L/I:N/A:N).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
ServiceWorker incorrect authorization in Google Chrome prior to 153.0.8010.36 permits remote attackers to bypass the web origin policy by delivering a crafted HTML page to a target user. The root cause is CWE-863 (Incorrect Authorization) within Chrome's ServiceWorker subsystem, which fails to properly enforce cross-origin access boundaries. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim to actively visit an attacker-controlled or attacker-injected HTML page (UI:R per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The risk profile for this vulnerability is low across all signals. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Chrome 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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