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Fencer Vulns
high 7.5

CVE-2025-70952 json

pf4j is vulnerable to Path Traversal or Zip Slip attack through improper handling of zip entry names

published 2026-03-25 7 mo ago modified 2026-09-10 1 mo ago also GHSA-5458-7hh9-v7p4 , EUVD-2025-209006

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

pf4j before 20c2f80 has a path traversal vulnerability in the extract() function of Unzip.java, where improper handling of zip entry names can allow directory traversal or Zip Slip attacks, due to a lack of proper path normalization and validation.

Patch / fix

  • maven org.pf4j:pf4j 3.14.1
  • pf4j_project pf4j 3.14.1
  • libpf4j-java Debian 14 3.15.0+dfsg-1

debian advisories DEBIAN-CVE-2025-70952

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/pf4j/pf4j/issues/623 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.pf4j:pf4j
<3.14.1
3.14.1

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
  • CWE-23 Relative Path Traversal

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.