Vulnerability-Lookup

CVE-2026-10037 (GCVE-0-2026-10037)

Vulnerability from cvelistv5 – Published: 2026-07-08 21:18 – Updated: 2026-07-14 14:33

Title

Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal

Summary

A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 03:55 UTC

CWE

CWE-20 - Improper input validation

Assigner

canonical mitre root

References

1 reference

URL	Tags
https://bugs.launchpad.net/ubuntu/+source/openjdk…	issue-tracking

Impacted products

2 products

Vendor	Product	Version	CPE status
Canonical	Ubuntu		guessed
Canonical	Ubuntu	Affected: 0 , < 3.70+nmu1ubuntu1.22.04.1 (custom) Affected: 0 , < 3.70+nmu1ubuntu1.24.04.1 (custom) Affected: 0 , < 3.74ubuntu1.1 (custom) Affected: 0 , < 3.75ubuntu1.1 (custom)	guessed

Date Public

2026-07-08 15:46

Credits

Aaron Rainbolt

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-10037

Vulnerability from fkie_nvd - Published: 2026-07-08 22:17 - Updated: 2026-07-14 15:16

Severity

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

Summary

References

	URL	Tags
	security@ubuntu.com	https://bugs.launchpad.net/ubuntu/+source/openjdk-25/+bug/2153100

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    }
  ],
  "id": "CVE-2026-10037",
  "lastModified": "2026-07-14T15:16:54.877",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0,
        "source": "security@ubuntu.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-10037",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-10T03:55:37.353524Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-08T22:17:12.500",
  "references": [
    {
      "source": "security@ubuntu.com",
      "url": "https://bugs.launchpad.net/ubuntu/+source/openjdk-25/+bug/2153100"
    }
  ],
  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "security@ubuntu.com",
      "type": "Secondary"
    }
  ]
}

GHSA-XG8H-3F4M-39V6

Vulnerability from github – Published: 2026-07-09 00:31 – Updated: 2026-07-09 00:31

Details

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-10037"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-08T22:17:12Z",
    "severity": "HIGH"
  },
  "details": "A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.",
  "id": "GHSA-xg8h-3f4m-39v6",
  "modified": "2026-07-09T00:31:14Z",
  "published": "2026-07-09T00:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10037"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/ubuntu/+source/openjdk-25/+bug/2153100"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

UBUNTU-CVE-2026-10037 (CVE-2026-10037)

Vulnerability from osv_ubuntu – Published: 2026-07-08 21:18 – Updated: 2026-07-09 19:32 – Source website

Details

Severity

8.8 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-10037	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-10037	REPORT
	https://bugs.launchpad.net/ubuntu/+source/openjdk…	REPORT
	https://ubuntu.com/security/notices/USN-8518-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openjdk-9-demo",
            "binary_version": "9~b114-0ubuntu1"
          },
          {
            "binary_name": "openjdk-9-jdk",
            "binary_version": "9~b114-0ubuntu1"
          },
          {
            "binary_name": "openjdk-9-jdk-headless",
            "binary_version": "9~b114-0ubuntu1"
          },
          {
            "binary_name": "openjdk-9-jre",
            "binary_version": "9~b114-0ubuntu1"
          },
          {
            "binary_name": "openjdk-9-jre-headless",
            "binary_version": "9~b114-0ubuntu1"
          },
          {
            "binary_name": "openjdk-9-source",
            "binary_version": "9~b114-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "openjdk-9",
        "purl": "pkg:deb/ubuntu/openjdk-9@9~b114-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9~b88-1",
        "9~b101-2ubuntu2",
        "9~b102-1",
        "9~b113-0ubuntu1",
        "9~b114-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openjdk-13-demo",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-jdk",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-jdk-headless",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-jre",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-jre-headless",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-jre-zero",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          },
          {
            "binary_name": "openjdk-13-source",
            "binary_version": "13.0.7+5-0ubuntu1~20.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "openjdk-13",
        "purl": "pkg:deb/ubuntu/openjdk-13@13.0.7+5-0ubuntu1~20.04?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "13+33-1",
        "13.0.1+9-2",
        "13.0.2+8-1",
        "13.0.2+8-2",
        "13.0.3+3-1ubuntu2",
        "13.0.4+8-1~20.04",
        "13.0.7+5-0ubuntu1~20.04"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openjdk-16-demo",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-jdk",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-jdk-headless",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-jre",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-jre-headless",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-jre-zero",
            "binary_version": "16.0.1+9-1~20.04"
          },
          {
            "binary_name": "openjdk-16-source",
            "binary_version": "16.0.1+9-1~20.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "openjdk-16",
        "purl": "pkg:deb/ubuntu/openjdk-16@16.0.1+9-1~20.04?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "16.0.1+9-1~20.04"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailcap",
            "binary_version": "3.70+nmu1ubuntu1.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "mailcap",
        "purl": "pkg:deb/ubuntu/mailcap@3.70+nmu1ubuntu1.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.70+nmu1ubuntu1.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.69ubuntu1",
        "3.70ubuntu1",
        "3.70+nmu1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openjdk-18-demo",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-jdk",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-jdk-headless",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-jre",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-jre-headless",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-jre-zero",
            "binary_version": "18.0.2+9-2~22.04"
          },
          {
            "binary_name": "openjdk-18-source",
            "binary_version": "18.0.2+9-2~22.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "openjdk-18",
        "purl": "pkg:deb/ubuntu/openjdk-18@18.0.2+9-2~22.04?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "18~15ea-4",
        "18~20ea-1",
        "18~32ea-1",
        "18~36ea-1",
        "18.0.2+9-2~22.04"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailcap",
            "binary_version": "3.70+nmu1ubuntu1.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "mailcap",
        "purl": "pkg:deb/ubuntu/mailcap@3.70+nmu1ubuntu1.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.70+nmu1ubuntu1.24.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.70+nmu1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailcap",
            "binary_version": "3.74ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "mailcap",
        "purl": "pkg:deb/ubuntu/mailcap@3.74ubuntu1.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.74ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.74ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mailcap",
            "binary_version": "3.75ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mailcap",
        "purl": "pkg:deb/ubuntu/mailcap@3.75ubuntu1.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.75ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.74ubuntu1",
        "3.75ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.",
  "id": "UBUNTU-CVE-2026-10037",
  "modified": "2026-07-09T19:32:02Z",
  "published": "2026-07-08T21:18:56Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-10037"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-10037"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.launchpad.net/ubuntu/+source/openjdk-25/+bug/2153100"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8518-1"
    }
  ],
  "related": [
    "USN-8518-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-10037"
  ]
}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-10037 (GCVE-0-2026-10037)

FKIE_CVE-2026-10037

GHSA-XG8H-3F4M-39V6

UBUNTU-CVE-2026-10037 (CVE-2026-10037)

Tags

Sightings

Nomenclature

Related by attack behaviour