{
  "threat_severity" : "Moderate",
  "public_date" : "2026-02-20T22:28:37Z",
  "bugzilla" : {
    "description" : "svelte: Svelte SSR does not validate dynamic element tag names in `<svelte:element>`",
    "id" : "2441520",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2441520"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.6",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
    "status" : "draft"
  },
  "cwe" : "CWE-1286",
  "details" : [ "svelte performance oriented web framework. Prior to 5.51.5, when using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.", "svelte is a performance oriented web framework. When using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected." ],
  "package_state" : [ {
    "product_name" : "Red Hat Build of Podman Desktop - Tech Preview",
    "fix_state" : "Fix deferred",
    "package_name" : "rhdesktop/rh-podman-desktop-ext-bootc-rhel10",
    "cpe" : "cpe:/a:redhat:podman_desktop:0"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-27122\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-27122\nhttps://github.com/sveltejs/svelte/security/advisories/GHSA-m56q-vw4c-c2cp" ],
  "name" : "CVE-2026-27122",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}