CVE-2026-106289
Chrome: missing authorisation
- Risk score
- 47/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 6 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Missing authorization in FedCM in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
- Affected
- Chrome before 155.0.8059.39
- Fix
- Upgrade Chrome to 155.0.8059.39 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
- Named in a government or vendor bulletin
Government and vendor bulletins
References
Original description
Missing authorization in FedCM in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Last activity 16 Oct 2026. Patch Forecast updates every hour.