5.4 Medium

CVE-2026-120930 Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web…

Description

Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploitable remotely over the network, without an account and if a user takes an action; the impact on data or service is limited.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: None

Affected products and versions

Product	Affected versions	Fixed in
Chrome 156.0	earliest → < 156.0.8078.47	156.0.8078.47

References

chromereleases.googleblog.com chromereleases.googleblog.com
issues.chromium.org issues.chromium.org

Timeline

Published November 3, 2026
Last modified November 4, 2026

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