Astro: XSS via unescaped spread attribute names in renderHTMLElement (incomplete fix for CVE-2026-54298)

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-59729 · Microsoft / collected KEV context

GHSA-f48w-9m4c-m7f5

cve-program · CVE-2026-59729

• https://github.com/withastro/astro/security/advisories/GHSA-f48w-9m4c-m7f5
• https://github.com/withastro/astro/pull/17251
• https://github.com/withastro/astro/commit/5240e26c9dd91f9bc7140dcfacdb48d5a132830d
• https://github.com/withastro/astro/releases/tag/[email protected]

nvd · CVE-2026-59729

• https://github.com/withastro/astro/commit/5240e26c9dd91f9bc7140dcfacdb48d5a132830d
• https://github.com/withastro/astro/pull/17251
• https://github.com/withastro/astro/releases/tag/[email protected]
• https://github.com/withastro/astro/security/advisories/GHSA-f48w-9m4c-m7f5

osv · GHSA-f48w-9m4c-m7f5

• https://github.com/withastro/astro/security/advisories/GHSA-f48w-9m4c-m7f5
• https://nvd.nist.gov/vuln/detail/CVE-2026-59729
• https://github.com/withastro/astro/pull/17251
• https://github.com/withastro/astro/commit/5240e26c9dd91f9bc7140dcfacdb48d5a132830d
• https://github.com/withastro/astro
• https://github.com/withastro/astro/releases/tag/[email protected]

No related operational record is retained in the current change model.