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CVE-2026-50146

🗓️ 22 Jun 2026 17:31:56Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 21 Views

Astro had reflected XSS from unescaped slot names with client:* directive in server side rendering; fixed in 6.3.3.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-50146
22 Jun 202617:31
attackerkb
Circl
CVE-2026-50146
12 Jun 202616:47
circl
Cvelist
CVE-2026-50146 Astro: Reflected XSS via unescaped slot name
22 Jun 202617:31
cvelist
EUVD
EUVD-2026-38335
22 Jun 202617:31
euvd
Github Security Blog
Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
github
NVD
CVE-2026-50146
22 Jun 202619:17
nvd
OSV
CVE-2026-50146 Astro: Reflected XSS via unescaped slot name
22 Jun 202617:31
osv
OSV
GHSA-8HV8-536X-4WQP Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
osv
Patchstack
NPM: Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
patchstack
Positive Technologies
PT-2026-49731
16 Jun 202600:00
ptsecurity
Rows per page
NVD
Vulners
Node
astroastroRange<6.3.3node.js
[
  {
    "vendor": "withastro",
    "product": "astro",
    "versions": [
      {
        "version": "< 6.3.3",
        "status": "affected"
      }
    ]
  }
]

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23 Jun 2026 15:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.1 - 7.1
EPSS0.00177
SSVC
21