Vulnerability-Lookup

CVE-2026-19693 (GCVE-0-2026-19693)

Vulnerability from cvelistv5 – Published: 2026-08-17 13:30 – Updated: 2026-08-17 16:00 Unsupported When Assigned

Title

extract-zip arbitrary file write outside the destination directory via a symlink at the final path component

Summary

extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry's own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-17 16:00 UTC

CWE

CWE-59 - Improper Link Resolution Before File Access ('Link Following')
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

seal mitre root

References

2 references

URL	Tags
https://www.npmjs.com/package/extract-zip	product
https://github.com/max-mapper/extract-zip	product

Impacted products

1 product

Vendor	Product	Version	CPE status
max-mapper	extract-zip	Affected: 1.0.0 , ≤ 2.0.1 (semver)	guessed

Credits

Seal Security

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19693

Vulnerability from fkie_nvd - Published: 2026-08-17 14:20 - Updated: 2026-08-17 16:16

Severity

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

Summary

References

	URL	Tags
	22e2d327-25fe-45d7-9f0c-dcd23b7108df	https://github.com/max-mapper/extract-zip
	22e2d327-25fe-45d7-9f0c-dcd23b7108df	https://www.npmjs.com/package/extract-zip

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://www.npmjs.com/package/extract-zip",
          "defaultStatus": "unaffected",
          "packageName": "extract-zip",
          "platforms": [
            "Linux",
            "macOS"
          ],
          "product": "extract-zip",
          "repo": "https://github.com/max-mapper/extract-zip",
          "vendor": "max-mapper",
          "versions": [
            {
              "lessThanOrEqual": "2.0.1",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df"
    }
  ],
  "cveTags": [
    {
      "sourceIdentifier": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry\u0027s own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory."
    }
  ],
  "id": "CVE-2026-19693",
  "lastModified": "2026-08-17T16:16:52.813",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
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        "impactScore": 5.2,
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GHSA-7PQW-9J4J-H8Q3

Vulnerability from github – Published: 2026-08-17 15:30 – Updated: 2026-08-17 15:30

Details

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19693"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T14:20:20Z",
    "severity": "HIGH"
  },
  "details": "extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry\u0027s own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.",
  "id": "GHSA-7pqw-9j4j-h8q3",
  "modified": "2026-08-17T15:30:40Z",
  "published": "2026-08-17T15:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19693"
    },
    {
      "type": "WEB",
      "url": "https://github.com/max-mapper/extract-zip"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/extract-zip"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

ubuntu-cve-2026-19693

Vulnerability from osv_ubuntu

Published

2026-08-18 00:00

Modified

2026-08-18 00:00

Summary

Details

(extract-zip through 2.0.1 containment-checks only the parent directory ...)

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-19693	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-19693	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-extract-zip",
            "binary_version": "2.0.1+ds-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-extract-zip",
        "purl": "pkg:deb/ubuntu/node-extract-zip@2.0.1+ds-3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.1+ds-1",
        "2.0.1+ds-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "node-extract-zip",
            "binary_version": "2.0.1+ds-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-extract-zip",
        "purl": "pkg:deb/ubuntu/node-extract-zip@2.0.1+ds-4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.1+ds-4"
      ]
    },
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      "ecosystem_specific": {
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          {
            "binary_name": "node-extract-zip",
            "binary_version": "2.0.1+ds-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "node-extract-zip",
        "purl": "pkg:deb/ubuntu/node-extract-zip@2.0.1+ds-4?arch=source\u0026distro=resolute"
      },
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        {
          "events": [
            {
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            }
          ],
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        }
      ],
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        "2.0.1+ds-4"
      ]
    }
  ],
  "aliases": [],
  "details": "(extract-zip through 2.0.1 containment-checks only the parent directory ...)",
  "id": "UBUNTU-CVE-2026-19693",
  "modified": "2026-08-18T00:00:00Z",
  "published": "2026-08-18T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-19693"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-19693"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-19693"
  ]
}

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.
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.

Action not permitted

CVE-2026-19693 (GCVE-0-2026-19693)

FKIE_CVE-2026-19693

GHSA-7PQW-9J4J-H8Q3

ubuntu-cve-2026-19693

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature