Vulnerability · Published Oct 20, 2026 · Assigned by Chrome
CVE-2026-113205
High 8.8
In plain English
A high-severity insufficient verification of data authenticity 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 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 93.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient verification of data authenticity in Variations in Google Chrome prior to 156.0.8078.47 allowed an adjacent attacker to bypass system access restrictions via crafted network traffic. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 156.0.8078.47-1~deb12u1 | DEBIAN-CVE-2026-113205 |
| Debian:13 | chromium | 156.0.8078.47-1~deb13u1 | DEBIAN-CVE-2026-113205 |
| Debian:14 | chromium | 156.0.8078.47-1 | DEBIAN-CVE-2026-113205 |
Affected products (as reported)
Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H