CVE-2026-53655Published

node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)

cve-program · CVE-2026-53655

Published

node-tar

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "isaacs",
                    "product": "node-tar",
                    "versions": [
                        {
                            "version": "< 7.5.16",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-38255

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jun 22, 2026, 2:55:50 PM

dateUpdated: Jun 23, 2026, 4:09:06 PM

1 related source bulletins · separate from aliases

msrc_CVE-2026-53655: node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)

CVE-2026-53655

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-53655

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-436

Original publisher date fields

published: 2026-06-22T16:16:38.593

lastModified: 2026-10-25T23:10:00.167

1 source CPE criteria · context only

cpe:2.3:a:isaacs:tar:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-vmf3-w455-68vh

Published

tar

npm

SEMVER · introduced 0 → fixed 7.5.16

Original source record · Cite this exact observation · Complete original publisher JSON