Resource exhaustion in Apache Commons_fileupload

CVE-2025-48976

Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affects Apache Commons FileUpload: from 1.0 before 1.6; from 2.0.0-M1 before 2.0.0-M4. Users are…

EPSS: 0.673 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-48976?
CVE-2025-48976 is a high-severity vulnerability in Apache Commons_fileupload, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-06-16.
How severe is CVE-2025-48976?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-48976 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.