openSUSE 16 Security Update : mcphost (openSUSE-SU-2026:20788-1)

critical Nessus Plugin ID 316856

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-2026:20788-1 advisory.

This update for mcphost fixes the following issues

- CVE-2025-30153: github.com/getkin/kin-openapi/openapi3filter: Improper Handling of Highly Compressed Data (Data Amplification) in github.com/getkin/kin-openapi/openapi3filter (bsc#1264762).
- CVE-2025-47913: golang.org/x/crypto/ssh/agent: client process termination when receiving an unexpected message type in response to a key listing or (bsc#1265274).
- CVE-2025-47914: golang.org/x/crypto/ssh/agent: non validated message size can cause a panic due to an out of bounds read (bsc#1265275).
- CVE-2025-58181: golang.org/x/crypto/ssh: invalidated number of mechanisms can cause unbounded memory consumption (bsc#1253952).
- CVE-2026-32285: github.com/buger/jsonparser: denial of service via malformed JSON input (bsc#1264759).
- CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2:
path pseudo- header (bsc#1260224).

Changes for mcphost:

- Updated to version 0.34.0
* Features:
- Upgrade charmbracelet libs to v2 (bubbletea, lipgloss, bubbles)
- Add Google Vertex AI support for Claude models
- Add new models.
* Fixes:
- Eliminate escape sequence leak from spinner tea.Program instances.
- Fix anthropic api issue.
- Convert JSON Schema draft-07 exclusive bounds to draft-04 format.
* Upgrade all dependencies to latest versions, resolve security issues and to obtain Go 1.26 compatibility.

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: Critical

ID: 316856

File Name: openSUSE-2026-20788-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/27/2026

Updated: 5/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-33186

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/22/2026

Vulnerability Publication Date: 3/19/2025

Reference Information

CVE: CVE-2025-30153, CVE-2025-47913, CVE-2025-47914, CVE-2025-58181, CVE-2026-32285, CVE-2026-33186

Detections

Analytics