Vulnerability · Published Oct 6, 2026 · Assigned by Chrome
CVE-2026-106312
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 13% 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 87.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authorization in SignIn in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Low)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 155.0.8059.39-1~deb12u1 | DEBIAN-CVE-2026-106312 |
| Debian:13 | chromium | 155.0.8059.39-1~deb13u1 | DEBIAN-CVE-2026-106312 |
| Debian:14 | chromium | 155.0.8059.39-1 | DEBIAN-CVE-2026-106312 |
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N