CVE-2026-81907: Concrete CMS 9.5.2 and below

CVE-2026-81907. EPSS 0.00137 (percentile 0.02858), scored 24-Oct-2026. Fixed version: 9379c29cb26a1054208b37507b6869811aa75a32.

Affected technology

Concrete CMS · 9.5.2 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 · Passive user interaction

What an attacker can do

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

Published 25-Oct-2026 10:22 UTC

CCR priority: 0.0 /100 (P5)
CVSS 4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N · OSV.dev
EPSS: 0.00137 · percentile 0.02858 · 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-2026-81907.html