Vulnerability-Lookup

CVE-2026-41196 (GCVE-0-2026-41196)

Vulnerability from cvelistv5 – Published: 2026-04-23 00:28 – Updated: 2026-04-23 14:38

Title

Luanti has a mod security sandbox escape

Summary

Luanti (formerly Minetest) is an open source voxel game-creation platform. Starting in version 5.0.0 and prior to version 5.15.2, a malicious mod can trivially escape the sandboxed Lua environment to execute arbitrary code and gain full filesystem access on the user's device. This applies to the server-side mod, async and mapgen as well as the client-side (CSM) environments. This vulnerability is only exploitable when using LuaJIT. Version 5.15.2 contains a patch. On release versions, one can also patch this issue without recompiling by editing `builtin/init.lua` and adding the line `getfenv = nil` at the end. Note that this will break mods relying on this function (which is not inherently unsafe).

Severity

9 (Critical)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-23 14:38 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7617 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/luanti-org/luanti/security/adv…	x_refsource_CONFIRM
https://github.com/luanti-org/luanti/commit/8a929…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
luanti-org	luanti	Affected: >= 5.0.0, < 5.15.2	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-41196

Vulnerability from fkie_nvd - Published: 2026-04-23 02:16 - Updated: 2026-06-17 10:46

Severity

10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557dc896	Patch
	security-advisories@github.com	https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3	Third Party Advisory

Impacted products

	Vendor	Product	Version
	minetest	minetest	*

JSON

To clipboard

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        {
          "product": "luanti",
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    }
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          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41196",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-23T14:38:05.758080Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-23T02:16:17.900",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/luanti-org/luanti/commit/8a929dfb97aa08337f49ba1bb96a56d6557dc896"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/luanti-org/luanti/security/advisories/GHSA-g596-mf82-w8c3"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

UBUNTU-CVE-2026-41196 (CVE-2026-41196)

Vulnerability from osv_ubuntu – Published: 2026-04-23 02:16 – Updated: 2026-09-07 16:45 – Source website

Details

Luanti (formerly Minetest) is an open source voxel game-creation platform. Starting in version 5.0.0 and prior to version 5.15.2, a malicious mod can trivially escape the sandboxed Lua environment to execute arbitrary code and gain full filesystem access on the user's device. This applies to the server-side mod, async and mapgen as well as the client-side (CSM) environments. This vulnerability is only exploitable when using LuaJIT. Version 5.15.2 contains a patch. On release versions, one can also patch this issue without recompiling by editing builtin/init.lua and adding the line getfenv = nil at the end. Note that this will break mods relying on this function (which is not inherently unsafe).

Severity

9.0 (Critical)


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

10.0 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-41196	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-41196	REPORT
	https://ubuntu.com/security/notices/USN-8732-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "minetest",
            "binary_version": "5.1.1+repack-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-data",
            "binary_version": "5.1.1+repack-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-server",
            "binary_version": "5.1.1+repack-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "minetest",
        "purl": "pkg:deb/ubuntu/minetest@5.1.1+repack-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.1.1+repack-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.0.1+repack-2",
        "5.1.0+repack-1",
        "5.1.1+repack-1",
        "5.1.1+repack-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "minetest",
            "binary_version": "5.4.1+repack-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-data",
            "binary_version": "5.4.1+repack-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-server",
            "binary_version": "5.4.1+repack-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "minetest",
        "purl": "pkg:deb/ubuntu/minetest@5.4.1+repack-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.4.1+repack-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.3.0+repack-2.1",
        "5.4.1+repack-2",
        "5.4.1+repack-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "minetest",
            "binary_version": "5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-data",
            "binary_version": "5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "minetest-server",
            "binary_version": "5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "minetest",
        "purl": "pkg:deb/ubuntu/minetest@5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.1+dfsg+~1.9.0mt8+dfsg-4ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6.1+dfsg+~1.9.0mt8+dfsg-2build1",
        "5.6.1+dfsg+~1.9.0mt8+dfsg-3",
        "5.6.1+dfsg+~1.9.0mt8+dfsg-4",
        "5.6.1+dfsg+~1.9.0mt8+dfsg-4build2",
        "5.6.1+dfsg+~1.9.0mt8+dfsg-4build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "luanti",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          },
          {
            "binary_name": "luanti-data",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          },
          {
            "binary_name": "luanti-server",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          },
          {
            "binary_name": "minetest",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          },
          {
            "binary_name": "minetest-data",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          },
          {
            "binary_name": "minetest-server",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.25.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "luanti",
        "purl": "pkg:deb/ubuntu/luanti@5.10.0+dfsg-5+deb13u1build0.25.10.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.10.0+dfsg-5",
        "5.10.0+dfsg-5+deb13u1build0.25.10.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "luanti",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          },
          {
            "binary_name": "luanti-data",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          },
          {
            "binary_name": "luanti-server",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          },
          {
            "binary_name": "minetest",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          },
          {
            "binary_name": "minetest-data",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          },
          {
            "binary_name": "minetest-server",
            "binary_version": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "luanti",
        "purl": "pkg:deb/ubuntu/luanti@5.10.0+dfsg-5+deb13u1build0.26.04.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.10.0+dfsg-5+deb13u1build0.26.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.10.0+dfsg-5"
      ]
    }
  ],
  "aliases": [],
  "details": "Luanti (formerly Minetest) is an open source voxel game-creation platform. Starting in version 5.0.0 and prior to version 5.15.2, a malicious mod can trivially escape the sandboxed Lua environment to execute arbitrary code and gain full filesystem access on the user\u0027s device. This applies to the server-side mod, async and mapgen as well as the client-side (CSM) environments. This vulnerability is only exploitable when using LuaJIT. Version 5.15.2 contains a patch. On release versions, one can also patch this issue without recompiling by editing `builtin/init.lua` and adding the line `getfenv = nil` at the end. Note that this will break mods relying on this function (which is not inherently unsafe).",
  "id": "UBUNTU-CVE-2026-41196",
  "modified": "2026-09-07T16:45:49Z",
  "published": "2026-04-23T02:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-41196"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41196"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8732-1"
    }
  ],
  "related": [
    "USN-8732-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-41196"
  ]
}

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.

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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CVE-2026-41196 (GCVE-0-2026-41196)

FKIE_CVE-2026-41196

UBUNTU-CVE-2026-41196 (CVE-2026-41196)

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