What is CVE-2023-40828?

CVE-2023-40828 is a high-severity vulnerability in Pf4j Project, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-08-28.

How severe is CVE-2023-40828?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Pf4j Project

CVE-2023-40828

An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary code via the expandIfZip method in the extract function.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-08-28 · last modified 2026-06-17.

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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (72.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Pf4j Project

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/pf4j/pf4j/pull/537 (Patch, Vendor Advisory)
github.com/pf4j/pf4j/pull/538 (Patch, Vendor Advisory)
github.com/pf4j/pf4j/commit/8e0aa198c4e652cfc1eb9e05ca9b64397f67cc72 (Patch)

Frequently asked questions

What is CVE-2023-40828?: CVE-2023-40828 is a high-severity vulnerability in Pf4j Project, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-08-28.
How severe is CVE-2023-40828?: High severity. CVSS v3 base score is 7.5 out of 10.