SCA: security update for concrete5/concrete5 (GHSA-g82f-9pw7-773w)

high Tenable Cloud Security Plugin ID 445929

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the in
Permission, Cache, and Search components. An unauthenticated attacker may trigger arbitrary PHP object
instantiation if a malicious serialized payload has been placed in the database. Thanks XananasX7 for
reporting. (CVE-2026-10721)

Solution

Update the concrete5/concrete5 library and its related packages to version 9.5.2 or later.

See Also

https://github.com/advisories/GHSA-g82f-9pw7-773w

Plugin Details

Severity: High

ID: 445929

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 8/13/2026

Updated: 8/13/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.96

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-10721

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/10/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-10721

cwe: CWE-502