mixlib-archive Path Traversal vulnerability

published 2017-07-13 9y ago modified 2026-06-17 4mo ago also GHSA-98wx-cw86-c97x , EUVD-2022-3332

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

Chef Software's mixlib-archive versions 0.3.0 and older are vulnerable to a directory traversal attack allowing attackers to overwrite arbitrary files by using ".." in tar archive entries

Patch / fix

fixed in 1 distros 1 links 1

rubygems mixlib-archive 0.4.0

ruby-mixlib-archive Debian 14, Debian 13, Debian 12 0.4.1-1

debian advisories DEBIAN-CVE-2017-1000026

github.com/chef/mixlib-archive#6 pull request

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Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
rubygems	mixlib-archive	<0.4.0	0.4.0

Classification

Weakness

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

References

github.com /chef/mixlib-archive/pull/6
web
github.com /chef/mixlib-archive/blob/master/CHANGELOG.md
web, release-notes, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-1000026
advisory
github.com /chef/mixlib-archive
package
github.com /rubysec/ruby-advisory-db/blob/master/gems/mixlib-archive/CVE-2017-1000026.yml
web

Sources

Fencer Intel 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.