Vulnerability · Published Sep 29, 2026 · Assigned by Chrome

CVE-2026-102320

Medium 6.5

In plain English

A medium-severity missing authorization in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 85.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Missing authorization in CORS in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium154.0.8037.92-1~deb12u1DEBIAN-CVE-2026-102320
Debian:13chromium154.0.8037.92-1~deb13u1DEBIAN-CVE-2026-102320
Debian:14chromium154.0.8037.92-1DEBIAN-CVE-2026-102320

Affected products (as reported)

VendorProductVersions
Google Chrome 154.0.8037.92 – before 154.0.8037.92

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References