Dashboard / CVE-2026-12456

CVE-2026-12456

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 48/100
Published: 2026-06-17 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Required
S: Unchanged
C: Low
I: Low
A: None

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: High)

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
google chrome < 149.0.7827.155

References & Advisories (2)

Bug Bounty Relevance

48 / 100
✓ Network accessible
✓ No authentication

CVSS Score

4.2 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.14%
Raw Score 0.001370
Percentile 3.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00137
2026-10-28
0.00137

Intelligence Sources

nvd ref →

External Links