openSUSE 16: mcphost / mcphost-bash-completion / mcphost-fish-completion / etc (openSUSE-SU-2026:21771-1)

high Nessus Plugin ID 343935

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21771-1 advisory.

- CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing allows for DoS via oversized inputs (bsc#1276612).
- CVE-2026-81092: github.com/mark3labs/mcp-go/server: requests accepted in HTTP transports without Host header checks can lead to tool usage and resource exposure in target server (bsc#1278013).

Changes for mcphost:

- Update github.com/mark3labs/mcp-go/server to v0.56.0.
- Update go.opentelemetry.io/otel to 1.44.0.

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

Plugin Details

Severity: High

ID: 343935

File Name: openSUSE-2026-21771-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.49

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-81092

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

CVSS v4

Risk Factor: High

Base Score: 7.6

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:mcphost-bash-completion, p-cpe:/a:novell:opensuse:mcphost-fish-completion, p-cpe:/a:novell:opensuse:mcphost-zsh-completion, p-cpe:/a:novell:opensuse:mcphost

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: 9/6/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-41178, CVE-2026-81092

Detections

Analytics