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AlmaLinux 8 : cockpit (ALSA-2026:94485)

high Nessus Plugin ID 375859

Synopsis

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

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:94485 advisory.

 * cockpit: Cockpit: Denial of Service in `cockpit-ws` due to URL-root handling without a trailing slash (CVE-2026-91147)
 * cockpit-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via CockpitLang cookie in send_login_html (CVE-2026-76235)


 Bug Fix(es) and Enhancement(s):

 * [cockpit] Overview page should not try to read insights-client.json anymore (JIRA:RHEL-246964)

Tenable has extracted the preceding description block directly from the AlmaLinux 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://access.redhat.com/errata/RHSA-2026:94485

https://errata.almalinux.org/8/ALSA-2026-94485.html

Plugin Details

Severity: High

ID: 375859

File Name: alma_linux_ALSA-2026-94485.nasl

Version: 1.1

Type: Local

Published: 11/4/2026

Updated: 11/4/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-76235

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:cockpit-bridge, p-cpe:/a:alma:linux:cockpit-doc, p-cpe:/a:alma:linux:cockpit-system, p-cpe:/a:alma:linux:cockpit-ws, p-cpe:/a:alma:linux:cockpit

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2026

Vulnerability Publication Date: 8/19/2026

Reference Information

CVE: CVE-2026-76235, CVE-2026-91147

CWE: 401, 617

RHSA: 2026:94485