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RockyLinux 9 : cockpit (RLSA-2026:99602)

high Nessus Plugin ID 380193

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:99602 advisory.

 * cockpit: Cockpit: Local privilege escalation via insecure symlink handling in public key addition helper (CVE-2026-91151)

 * cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages (CVE-2026-91150)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

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

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2478404

https://bugzilla.redhat.com/show_bug.cgi?id=2478436

https://errata.rockylinux.org/RLSA-2026:99602

Plugin Details

Severity: High

ID: 380193

File Name: rocky_linux_RLSA-2026-99602.nasl

Version: 1.1

Type: Local

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.49

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-91151

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:cockpit-bridge, p-cpe:/a:rocky:linux:cockpit-debuginfo, p-cpe:/a:rocky:linux:cockpit-debugsource, p-cpe:/a:rocky:linux:cockpit-doc, p-cpe:/a:rocky:linux:cockpit-packagekit, p-cpe:/a:rocky:linux:cockpit-storaged, p-cpe:/a:rocky:linux:cockpit-system, p-cpe:/a:rocky:linux:cockpit-ws-selinux, p-cpe:/a:rocky:linux:cockpit-ws, p-cpe:/a:rocky:linux:cockpit

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2026

Vulnerability Publication Date: 11/11/2026

Reference Information

CVE: CVE-2026-91150, CVE-2026-91151