RHEL 10 : pcs (RHSA-2026:10713)

critical Nessus Plugin ID 310400

Synopsis

The remote Red Hat host is missing a security update for pcs.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:10713 advisory.

The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

Security Fix(es):

* lodash: lodash: Arbitrary code execution via untrusted input in template imports (CVE-2026-4800)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL pcs package based on the guidance in RHSA-2026:10713.

Plugin Details

Severity: Critical

ID: 310400

File Name: redhat-RHSA-2026-10713.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/27/2026

Updated: 4/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-4800

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.1, p-cpe:/a:redhat:enterprise_linux:cockpit-ha-cluster, p-cpe:/a:redhat:enterprise_linux:pcs-snmp, p-cpe:/a:redhat:enterprise_linux:pcs

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/27/2026

Vulnerability Publication Date: 3/31/2026

Reference Information

CVE: CVE-2026-4800

CWE: 94

RHSA: 2026:10713

Detections

Analytics