SCA: security update for concrete5/concrete5 (GHSA-gjwq-9v8p-47w7)

low Tenable Self-Hosted Container Security Plugin ID 443902

Description

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

- In Concrete CMS 9.5.0 and below, the RSS Displayer block accepts a feed URL from any page editor and
fetches it server-side without validation enabling redirect-to-internal bypasses. The Concrete CMS
security team gave this vulnerability a CVSS v.4.0 score of 2.1 with a vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N. (CVE-2026-7890)

Solution

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

See Also

https://github.com/advisories/GHSA-gjwq-9v8p-47w7

Plugin Details

Severity: Low

ID: 443902

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 6/25/2026

Updated: 7/2/2026

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: Low

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-7890

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:L/I:N/A:N

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

CVSS v4

Risk Factor: Low

Base Score: 2.1

Threat Score: 0.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:L/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-2026-7890

cwe: CWE-918