Improper input validation in Apache Poi

CVE-2025-31672

Improper Input Validation vulnerability in Apache POI. The issue affects the parsing of OOXML format files like xlsx, docx and pptx. These file formats are basically zip files and it is possible for malicious users to add zip entries with…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (65.4th 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:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-31672?
CVE-2025-31672 is a medium-severity vulnerability in Apache Poi, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-04-09.
How severe is CVE-2025-31672?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-31672 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.