SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-6109

readAsText() can indefinitely read the file picked by the user, rather than only once at the time the file is picked in File API in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to access data on the user file system without explicit…

MEDIUM 6.5EPSS 1.41%

Does this matter?

Lower severity and a low EPSS score (1.41%). Track it; it rarely justifies an emergency change on its own.

Description

readAsText() can indefinitely read the file picked by the user, rather than only once at the time the file is picked in File API in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to access data on the user file system without explicit consent via a crafted HTML page.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
1.41% probability · 73th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
google/chrome · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
Source
chrome-cve-admin@google.com
EPSS trend
0%3%5%27 October 2026: 1.41%27 October 202627 October 2026

EPSS 1.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.