Vulnerability-Lookup

CVE-2026-59678 (GCVE-0-2026-59678)

Vulnerability from cvelistv5 – Published: 2026-07-23 06:48 – Updated: 2026-07-23 14:01

Title

portprotonqt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager

Summary

An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager. This issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe.

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-863 - Incorrect Authorization

Assigner

suse

References

1 reference

URL	Tags
https://bugzilla.suse.com/show_bug.cgi?id=CVE-202…

Impacted products

1 product

Vendor	Product	Version
Linux-Gaming	PortProtonQt	Affected: 0 , < 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe (git)

Date Public

2026-07-16 06:44

Credits

Matthias Gerstner of SUSE

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-59678

Vulnerability from fkie_nvd - Published: 2026-07-23 08:16 - Updated: 2026-07-23 08:16

Severity

7.1 (High) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	meissner@suse.de	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-59678

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "PortProtonQt",
          "product": "PortProtonQt",
          "vendor": "Linux-Gaming",
          "versions": [
            {
              "lessThan": "0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
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    }
  ],
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    {
      "lang": "en",
      "value": "An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager.\n\n\n\n\n\n\nThis issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe."
    }
  ],
  "id": "CVE-2026-59678",
  "lastModified": "2026-07-23T08:16:25.003",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
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GHSA-7H94-344F-429F

Vulnerability from github – Published: 2026-07-23 09:32 – Updated: 2026-07-23 09:32

Details

An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager.

This issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe.

Severity

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
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    "CVE-2026-59678"
  ],
  "database_specific": {
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      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-23T08:16:25Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-7h94-344f-429f",
  "modified": "2026-07-23T09:32:00Z",
  "published": "2026-07-23T09:32:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59678"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-59678"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-59678 (GCVE-0-2026-59678)

FKIE_CVE-2026-59678

GHSA-7H94-344F-429F

Tags

Sightings

Nomenclature