CVE-2026-8874

CVE-2026-8874

High · published June 3, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
5.9
In the wild
Unconfirmed
What it is

Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00168 · 5.9th percentile
Published
2026-06-03T18:03Z
EPSS history
Timeline
  • 03 JUN 18:03Z
    CVE-2026-8874
    cvelistv5