Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
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Fixes
Solution
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Workaround
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References
History
Wed, 09 Sep 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | WebMCP Information Leak Enabling Cross‑Origin Data Exfiltration in Google Chrome |
Wed, 09 Sep 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium) | |
| Weaknesses | CWE-200 | |
| References |
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Projects
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Status: PUBLISHED
Assigner: Chrome
Published:
Updated: 2026-09-09T00:09:47.645Z
Reserved: 2026-09-08T22:39:23.905Z
Link: CVE-2026-87521
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Status : Received
Published: 2026-09-09T01:17:09.243
Modified: 2026-09-09T01:17:09.243
Link: CVE-2026-87521
No data.
OpenCVE Enrichment
Updated: 2026-09-09T06:45:06Z
Weaknesses