SUSE SLES15: helm / helm-bash-completion / helm-fish-completion / etc (SUSE-SU-2026:2823-1)

low Nessus Plugin ID 326332

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2823-1 advisory.

This update for helm fixes the following issues

- Update to version 3.21.2
- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266598).
- CVE-2026-48978: oras.land/oras-go/v2/registry/remote/auth: Malicious registry can hijack Bearer token realm to exfiltrate credentials and refresh tokens (bsc#1270127).

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 helm, helm-bash-completion, helm-fish-completion and / or helm-zsh-completion packages.

Plugin Details

Severity: Low

ID: 326332

File Name: suse_SU-2026-2823-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/10/2026

Updated: 7/10/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 57.7

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-39821

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/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:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-48978

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:helm, p-cpe:/a:novell:suse_linux:helm-zsh-completion, p-cpe:/a:novell:suse_linux:helm-fish-completion, p-cpe:/a:novell:suse_linux:helm-bash-completion, cpe:/o:novell:suse_linux:15

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: 7/9/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-39821, CVE-2026-48978

SuSE: SUSE-SU-2026:2823-1

Detections

Analytics