Vulnerability · Published Jun 4, 2026 · Assigned by Chrome
CVE-2026-11121
Medium 6.5
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 0.2% (higher than 15% 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 84.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of untrusted input in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 149.0.7827.53-1~deb12u1 | DEBIAN-CVE-2026-11121 |
| Debian:13 | chromium | 149.0.7827.53-1~deb13u1 | DEBIAN-CVE-2026-11121 |
| Debian:14 | chromium | 149.0.7827.53-1 | DEBIAN-CVE-2026-11121 |
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-11121 |
| Debian:13 | webkit2gtk | 2.54.0-1~deb13u1 | DEBIAN-CVE-2026-11121 |
| Debian:14 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-11121 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2026-11121 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2026-11121 |
| Debian:14 | wpewebkit | 2.54.0-1 | DEBIAN-CVE-2026-11121 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.54.0-1.el9_8 | RLSA-2026:69098 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N