Description
Compressing is a compressing and uncompressing lib for node. In version 2.0.0 and 1.10.3 and prior, Compressing extracts TAR archives while restoring symbolic links without validating their targets. By embedding symlinks that resolve outside the intended extraction directory, an attacker can cause subsequent file entries to be written to arbitrary locations on the host file system. Depending on the extractor’s handling of existing files, this behavior may allow overwriting sensitive files or creating new files in security-critical locations. This issue has been patched in versions 1.10.4 and 2.0.1.
Scores
CVSS v3
8.4
EPSS
0.0001
EPSS Percentile
0.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-59
Status
published
Products (3)
node-modules/compressing
2.0.0
node-modules/compressing
< 1.10.4
npm/compressing
2.0.0 - 2.0.1npm
Published
Feb 04, 2026
Tracked Since
Feb 18, 2026