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SCA: security update for concrete5/concrete5 (GHSA-8c7c-h7px-267g)

medium Tenable Cloud Security Plugin ID 443898

Description

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

 - Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys. To be vulnerable, a site would have to be
 configured in such a way that both public and private surveys are present on the site. An unauthenticated
 attacker can vote in the restricted survey by submitting the restricted optionID through the public
 survey’s endpoint. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with
 vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Zer0daySec
 https://github.com/Zee99y for reporting (CVE-2026-8337)

Solution

Update the concrete5/concrete5 library and its related packages to version 9.5.1 or later.

See Also

https://github.com/advisories/GHSA-8c7c-h7px-267g

Plugin Details

Severity: Medium

ID: 443898

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 6/25/2026

Updated: 7/6/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-8337

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 6.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2026

Vulnerability Publication Date: 5/21/2026

Reference Information

CVE: CVE-2026-8337

cwe: CWE-565