Astro 5 lifecycle

Current status

standard supportlow

Astro 5 is currently in standard support.

Security: 12 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: Astro npm releases

Support phase
standard support
End of life
Not officially published
Latest release
5.0.1
Released
3 Dec 2024

At a glance

Version line
5
Initial release
3 Dec 2024
Lifecycle phase
standard support
Latest stable
5.0.1
Latest release date
3 Dec 2024
EOL
Not officially published
Risk
low
Releases tracked
137

Lifecycle timeline

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

  1. Release

    3 Dec 2024

  2. standard supportcurrent

    3 Dec 2024 → —

    Source: Astro npm releases

Astro 5 is currently in standard support.

Upgrade options

Newer supported Astro version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on Astro 5

Supported

Supported upgrade options

Open full upgrade planner for Astro 5

Security

Advisories affecting Astro 5 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
12
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
  • CVE-2025-66202GHSA-whqg-ppgf-wp8c

    Astro has an Authentication Bypass via Double URL Encoding, a bypass for CVE-2025-64765

    Affected:
    <5.15.8
    Fixed in:
    5.15.8
    Source:
    OSV source · Advisory
  • CVE-2025-65019GHSA-fvmw-cj7j-j39q

    Astro Cloudflare adapter has Stored Cross-site Scripting vulnerability in /_image endpoint

    Affected:
    <5.15.9
    Fixed in:
    5.15.9
    Source:
    OSV source · Advisory
  • CVE-2025-64765GHSA-ggxq-hp9w-j794

    Astro's middleware authentication checks based on url.pathname can be bypassed via url encoded values

    Affected:
    <5.15.8
    Fixed in:
    5.15.8
    Source:
    OSV source · Advisory
  • CVE-2025-64764GHSA-wrwg-2hg8-v723

    Astro vulnerable to reflected XSS via the server islands feature

    Affected:
    <5.15.8
    Fixed in:
    5.15.8
    Source:
    OSV source · Advisory
  • CVE-2025-64757GHSA-x3h8-62x9-952g

    Astro Development Server has Arbitrary Local File Read

    Affected:
    <5.14.3
    Fixed in:
    5.14.3
    Source:
    OSV source · Advisory
  • CVE-2025-61925GHSA-5ff5-9fcw-vg88

    Astro's `X-Forwarded-Host` is reflected without validation

    Affected:
    <5.14.3
    Fixed in:
    5.14.3
    Source:
    OSV source · Advisory

Latest release

5.0.1

Released 3 Dec 2024 · stable

https://registry.npmjs.org/astro/5.0.1

Previous releases

  • 5.0.2

    3 Dec 2024

  • 5.0.3

    5 Dec 2024

  • 5.0.0

    3 Dec 2024

Release history

137 concrete releases tracked for this line.

VersionRelease dateChannelSource
5.0.13 Dec 2024stableSource
5.0.23 Dec 2024stableSource
5.0.35 Dec 2024stableSource
5.0.49 Dec 2024stableSource
5.0.511 Dec 2024stableSource
5.0.616 Dec 2024stableSource
5.0.716 Dec 2024stableSource
5.0.816 Dec 2024stableSource
5.0.917 Dec 2024stableSource
5.1.019 Dec 2024stableSource
5.1.120 Dec 2024stableSource
5.1.22 Jan 2025stableSource
5.1.36 Jan 2025stableSource
5.1.49 Jan 2025stableSource
5.1.510 Jan 2025stableSource
5.1.613 Jan 2025stableSource
5.1.715 Jan 2025stableSource
5.1.820 Jan 2025stableSource
5.1.923 Jan 2025stableSource
5.1.1027 Jan 2025stableSource
5.2.030 Jan 2025stableSource
5.2.130 Jan 2025stableSource
5.2.231 Jan 2025stableSource
5.2.331 Jan 2025stableSource
5.0.03 Dec 2024stableSource

Release activity

Total releases
137
Last 30 days
0
Last 90 days
0
Avg. interval
~6 days
Most recent
3 Dec 2024

Should I use this version?

Suitable for new deployments

Astro 5 is currently supported (standard support).

Version comparison

Compact comparison against the nearest relevant release lines.

57
Statusstandard supportstandard support
Latest release5.0.07.2.8
EOLNot publishedNot published
Risklowlow

Compatibility

Evidence-backed compatibility results involving Astro 5. 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
137
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