Vulnerability · Published Jan 27, 2026 · Assigned by Chrome
CVE-2026-1504
Medium 6.5
In plain English
A medium-severity security flaw 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 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | qt6-qtwebengine | 6.10.1-r4 | ALPINE-CVE-2026-1504 |
| Alpine:v3.24 | qt6-qtwebengine | 6.10.2-r1 | ALPINE-CVE-2026-1504 |
| Debian:12 | chromium | 144.0.7559.109-1~deb12u1 | DSA-6116-1 |
| Debian:12 | chromium | 144.0.7559.109-1~deb12u1 | DEBIAN-CVE-2026-1504 |
| Debian:13 | chromium | 144.0.7559.109-1~deb13u1 | DEBIAN-CVE-2026-1504 |
| Debian:13 | chromium | 144.0.7559.109-1~deb13u1 | DSA-6116-1 |
| Debian:14 | chromium | 144.0.7559.109-1 | DEBIAN-CVE-2026-1504 |