Vulnerability · Published Jun 30, 2026 · Assigned by Chrome
CVE-2026-13959
Medium 4.3
In plain English
A medium-severity improper input validation 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)4.3Medium
Exploit odds (30 days)0.3%top 83.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of untrusted input in Blink in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 150.0.7871.46-1~deb12u1 | DEBIAN-CVE-2026-13959 |
| Debian:13 | chromium | 150.0.7871.46-1~deb13u1 | DEBIAN-CVE-2026-13959 |
| Debian:14 | chromium | 150.0.7871.46-1 | DEBIAN-CVE-2026-13959 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N