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MEDIUM · 4.3

CVE-2026-15131

Inappropriate implementation in Navigation in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability Description

Inappropriate implementation in Navigation in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

CVSS Score

4.3

MEDIUM

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

Affected Products

VendorProductVersions
GoogleChrome< 150.0.7871.115

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-15131?

CVE-2026-15131 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Inappropriate implementation in Navigation in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

How severe is CVE-2026-15131?

CVE-2026-15131 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15131?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome.