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CVE-2026-26960

node-tar has Arbitrary File Read/Write via Hardlink Target Escape Through Symlink Chain in Extraction

Published: Feb 20, 2026Updated: Feb 20, 2026 Sources: CVE List NVD GHSA BDUCWE-22
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.3%
Top 79.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

Arbitrary File Read/Write via Hardlink Target Escape Through Symlink Chain in node-tar Extraction

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

tarnpmOSS Libraries
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Red Hat Openshift Data FoundationRed Hat Inc.
On-prem
Cloud & SaaS / container-orchestration
Red Hat Developer HubRed Hat Inc.
On-premDev Tool
DevTools & CI
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
npmpackage-ecosystemOSS Libraries
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
red hat inc.commercialUSOperating Systemsaka red hat
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/isaacs/node-tar/security/advisories/GHSA-83g3-92jg-28cx
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-26960
nvd.nist.gov
https://github.com/isaacs/node-tar/commit/2cb1120bcefe28d7ecc719b41441ade59c52e384
github.com
and 9 more references View all →

Timeline

Published
Feb 20, 2026
Last Updated
Feb 20, 2026

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