MajorCritical vulnerability

CVE-2026-106271 (CVSS 8.1)

NVD · officialPublished Oct 6, 2026Risk 37/100EPSS 0.2%

Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)

Technical details

CVSS

8.1

AV:NetworkAC:LowPR:LowUI:NoneC:HighI:HighA:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

Open primary source