GHSA-m56q-vw4c-c2cpPublished

Svelte SSR does not validate dynamic element tag names in `<svelte:element>`

cve-program · CVE-2026-27122

Published

svelte

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "sveltejs",
                    "product": "svelte",
                    "versions": [
                        {
                            "version": "< 5.51.5",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-7538

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: Feb 20, 2026, 10:28:37 PM

dateUpdated: Feb 23, 2026, 7:23:03 PM

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-2026-27122

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-79

Original publisher date fields

published: 2026-02-20T23:16:02.640

lastModified: 2026-06-17T10:26:42.403

1 source CPE criteria · context only

cpe:2.3:a:svelte:svelte:*:*:*:*:*: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-m56q-vw4c-c2cp

Published

svelte

npm

SEMVER · introduced 0 → fixed 5.51.5

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