Astro 6 lifecycle

Current status

unknownmedium

Astro 6 has no published vendor calendar support schedule in CompatHub's sources. Release history and dependency requirements are recorded from package metadata without inventing support commitments.

Security: 6 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: Astro npm releases

Support phase
unknown
End of life
Not officially published
Latest release
6.4.8
Released
17 Jun 2026

At a glance

Version line
6
Initial release
10 Mar 2026
Lifecycle phase
unknown
Latest stable
6.4.8
Latest release date
17 Jun 2026
EOL
Not officially published
Risk
medium
Releases tracked
41

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

  1. Release

    10 Mar 2026

  2. unknowncurrent

    10 Mar 2026 → —

    Source: Astro npm releases

Astro 6 has no published vendor calendar support schedule in CompatHub's sources. Release history and dependency requirements are recorded from package metadata without inventing support commitments.

Security

Advisories affecting Astro 6 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
6
Known exploited
0
Highest CVSS
7.5
  • CVE-2026-54299GHSA-2pvr-wf23-7pc7

    Astro: Host header SSRF in prerendered error page fetch

    CVSS:
    7.5 (high) · NVD
    CWE:
    CWE-20, CWE-918
    Affected:
    <6.4.6
    Fixed in:
    6.4.6
    Source:
    OSV source · Advisory
  • CVE-2026-50146GHSA-8hv8-536x-4wqp

    Astro: Reflected XSS via unescaped slot name

    CVSS:
    6.1 (moderate) · NVD
    CWE:
    CWE-80
    Affected:
    <6.3.3
    Fixed in:
    6.3.3
    Source:
    OSV source · Advisory
  • CVE-2026-59729GHSA-f48w-9m4c-m7f5

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

    CVSS:
    5.1 (moderate) · NVD
    CWE:
    CWE-79
    Affected:
    <7.0.6
    Fixed in:
    7.0.6
    Source:
    OSV source · Advisory
  • CVE-2026-54298GHSA-jrpj-wcv7-9fh9

    Astro: XSS via Unescaped Attribute Names in Spread Props

    Affected:
    <6.4.6
    Fixed in:
    6.4.6
    Source:
    OSV source · Advisory
  • CVE-2026-45028GHSA-xr5h-phrj-8vxv

    Astro: Server island encrypted parameters vulnerable to cross-component replay

    Affected:
    <6.1.10
    Fixed in:
    6.1.10
    Source:
    OSV source · Advisory
  • CVE-2026-41067GHSA-j687-52p2-xcff

    Astro: XSS in define:vars via incomplete </script> tag sanitization

    Affected:
    <6.1.6
    Fixed in:
    6.1.6
    Source:
    OSV source · Advisory

Latest release

6.4.8

Released 17 Jun 2026 · stable

https://registry.npmjs.org/astro/6.4.8

Previous releases

  • 6.4.7

    15 Jun 2026

  • 6.4.6

    10 Jun 2026

  • 6.4.5

    9 Jun 2026

Release history

41 concrete releases tracked for this line.

VersionRelease dateChannelSource
6.1.613 Apr 2026stableSource
6.1.58 Apr 2026stableSource
6.1.46 Apr 2026stableSource
6.1.31 Apr 2026stableSource
6.1.230 Mar 2026stableSource
6.1.126 Mar 2026stableSource
6.1.026 Mar 2026stableSource
6.0.820 Mar 2026stableSource
6.0.719 Mar 2026stableSource
6.0.618 Mar 2026stableSource
6.0.516 Mar 2026stableSource
6.0.412 Mar 2026stableSource
6.0.311 Mar 2026stableSource
6.0.210 Mar 2026stableSource
6.0.110 Mar 2026stableSource
6.0.010 Mar 2026stableSource

Release activity

Total releases
41
Last 30 days
0
Last 90 days
4
Avg. interval
~3 days
Most recent
17 Jun 2026

Should I use this version?

Lifecycle status unclear

Astro 6 has no published vendor calendar support schedule. CompatHub does not invent support commitments from release history alone.

Version comparison

Compact comparison against the nearest relevant release lines.

67
Statusunknownunknown
Latest release6.4.87.2.10
EOLNot publishedNot published
Riskmediummedium

Compatibility

Evidence-backed compatibility results involving Astro 6. Only combinations CompatHub can evaluate from upstream sources are listed.

Open Compatibility Explorer →

Sources

Where this information comes from.

Lifecycle sources

Release sources

Data coverage

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Releases tracked
41
Lifecycle periods
1
EOL
Not officially published
Provenance records
2
Data last checked
2 Sept 2026
Latest source update
2 Sept 2026

EOL: Not officially published

Other Astro versions