openSUSE 16 Security Update : cloudflared (openSUSE-SU-2026:21924-1)

critical Nessus Plugin ID 350164

Synopsis

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

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21924-1 advisory.

Changes in cloudflared:

- Update version to 2026.9.1
* Update vendor (boo#1278643, CVE-2026-56854, CVE-2026-78662, CVE-2026-56855)
* Propagate edge registration errors over QUIC and fix supervisor error classification
* Negotiate protected mode during Quick Tunnel provisioning

Tenable has extracted the preceding description block directly from the SUSE 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 cloudflared package.

See Also

https://bugzilla.suse.com/1266208

https://bugzilla.suse.com/1276703

https://bugzilla.suse.com/1278643

https://www.suse.com/security/cve/CVE-2026-39827

https://www.suse.com/security/cve/CVE-2026-39828

https://www.suse.com/security/cve/CVE-2026-39829

https://www.suse.com/security/cve/CVE-2026-39830

https://www.suse.com/security/cve/CVE-2026-39831

https://www.suse.com/security/cve/CVE-2026-39832

https://www.suse.com/security/cve/CVE-2026-39833

https://www.suse.com/security/cve/CVE-2026-39834

https://www.suse.com/security/cve/CVE-2026-39835

https://www.suse.com/security/cve/CVE-2026-41178

https://www.suse.com/security/cve/CVE-2026-42508

https://www.suse.com/security/cve/CVE-2026-46595

https://www.suse.com/security/cve/CVE-2026-46597

https://www.suse.com/security/cve/CVE-2026-46598

https://www.suse.com/security/cve/CVE-2026-56854

https://www.suse.com/security/cve/CVE-2026-56855

https://www.suse.com/security/cve/CVE-2026-78662

Plugin Details

Severity: Critical

ID: 350164

File Name: openSUSE-2026-21924-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/25/2026

Updated: 9/25/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: High

Base Score: 9.7

Temporal Score: 7.2

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

CVSS Score Source: CVE-2026-46595

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2026-39834

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:cloudflared

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/21/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-41178, CVE-2026-42508, CVE-2026-46595, CVE-2026-46597, CVE-2026-46598, CVE-2026-56854, CVE-2026-56855, CVE-2026-78662