Vulnerability · Published Apr 8, 2026 · Assigned by Chrome
CVE-2026-5876
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 17% 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 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Side-channel information leakage in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | qt6-qtwebengine | 6.10.3-r1 | ALPINE-CVE-2026-5876 |
| Alpine:v3.24 | qt6-qtwebengine | 6.11.0-r3 | ALPINE-CVE-2026-5876 |
| Debian:12 | chromium | 147.0.7727.55-1~deb12u1 | DEBIAN-CVE-2026-5876 |
| Debian:13 | chromium | 147.0.7727.55-1~deb13u1 | DEBIAN-CVE-2026-5876 |
| Debian:14 | chromium | 147.0.7727.55-1 | DEBIAN-CVE-2026-5876 |
Affected products (as reported)
Weakness: CWE-1300 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N