What is CVE-2025-66675?

CVE-2025-66675 is a high-severity vulnerability in Apache Struts, classified under Incomplete Cleanup. CVSS score: 8.2/10. Published 2025-12-10.

How severe is CVE-2025-66675?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Apache Struts

CVE-2025-66675

Denial of Service vulnerability in Apache Struts, file leak in multipart request processing causes disk exhaustion. This issue affects Apache Struts: from 2.0.0 through 6.7.4, from 7.0.0 through 7.0.3. Users are recommended to upgrade to…

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Apache Struts
Apache Software Foundation Struts — versions 2.0.0, 7.0.0

Weakness classification (CWE)

CWE-459 — Incomplete Cleanup

References

security@apache.org (vendor-advisory, Vendor Advisory)
security@apache.org (related, Third Party Advisory)

Frequently asked questions

What is CVE-2025-66675?: CVE-2025-66675 is a high-severity vulnerability in Apache Struts, classified under Incomplete Cleanup. CVSS score: 8.2/10. Published 2025-12-10.
How severe is CVE-2025-66675?: High severity. CVSS v3 base score is 8.2 out of 10.