CVE-2026-8204: Concrete CMS 9.5.0 and below

CVE-2026-8204. EPSS 0.00353 (percentile 0.27819), scored 24-Oct-2026. Fixed version: 92bae566b9ec573cfb3017fcbb6db454a6586997.

Affected technology

Concrete CMS · 9.5.0 and below
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (OSV, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

OSV’s CVSS 4.0 assessment rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 10:21 UTC

CCR priority: 0.1 /100 (P5)
CVSS 4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N · OSV.dev
EPSS: 0.00353 · percentile 0.27819 · 2026-10-24
KEV: no

Provenance

OSV.dev · Source record · observed 2026-10-25 01:59:11.642217+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-8204.html