Unzip function in ZipUtil.java in Hutool allows remote attackers to overwrite arbitrary files via directory traversal

published 2018-09-21 8y ago modified 2026-06-17 4mo ago also GHSA-rhq2-2574-78mc , EUVD-2018-0685

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.7%; EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits: 0; none known

The unzip function in ZipUtil.java in Hutool before 4.1.12 allows remote attackers to overwrite arbitrary files via directory traversal sequences in a filename within a ZIP archive.

Patch / fix

fixed in 4

maven cn.hutool:hutool-parent 4.1.12
maven cn.hutool:hutool-all 4.1.12
maven cn.hutool:hutool-core 4.1.12
hutool hutool 4.1.12

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Exploit prediction

2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:N/I:P/A:P
GitHub	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	cn.hutool:hutool-parent	<4.1.12	4.1.12
maven	cn.hutool:hutool-all	<4.1.12	4.1.12
maven	cn.hutool:hutool-core	<4.1.12	4.1.12

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /looly/hutool/issues/162
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2018-17297
advisory
github.com /advisories/GHSA-rhq2-2574-78mc
advisory
github.com /looly/hutool
package

Sources

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