Is astro affected by CVE-2026-54299?

npm astro is affected in <6.4.6.

Is CVE-2026-54299 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-54299

Q: Is CVE-2026-54299 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · astro

Summary

Astro: Host header SSRF in prerendered error page fetch

Severity: high
EPSS: 0.3% (p26)
Also known as: GHSA-2pvr-wf23-7pc7
Published: 2026-06-16

References

https://github.com/withastro/astro/security/advisories/GHSA-2pvr-wf23-7pc7
https://github.com/withastro/astro

Related advisories

GHSA-26w7-cxv4-gfx2 — critical · npm/astro
CVE-2026-59731 — high · npm/astro
CVE-2026-50146 — high · npm/astro
CVE-2026-84376 — medium · npm/astro
GHSA-8mv7-9c27-98vc — medium · npm/astro
CVE-2026-59729 — medium · npm/astro
GHSA-4g3v-8h47-v7g6 — medium · npm/astro
CVE-2026-54298 — medium · npm/astro

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.