What is CVE-2025-64765?

CVE-2025-64765 is a medium-severity vulnerability in Astro, classified under Path Traversal. CVSS score: 5.3/10. Published 2025-11-19.

How severe is CVE-2025-64765?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Astro

CVE-2025-64765

Astro is a web framework. Prior to version 5.15.8, a mismatch exists between how Astro normalizes request paths for routing/rendering and how the application’s middleware reads the path for validation checks. Astro internally applies decod…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Astro
Withastro Astro — versions < 5.15.8

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Mitigation)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-64765?: CVE-2025-64765 is a medium-severity vulnerability in Astro, classified under Path Traversal. CVSS score: 5.3/10. Published 2025-11-19.
How severe is CVE-2025-64765?: Medium severity. CVSS v3 base score is 5.3 out of 10.