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Node.js CVE-2026-26960

HIGH
Path Traversal (CWE-22)
2026-02-20 security-advisories@github.com GHSA-83g3-92jg-28cx
7.1
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.1 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
SUSE
HIGH
qualitative
Red Hat
7.1 MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 22:04 vuln.today
PoC Detected
Feb 20, 2026 - 19:24 vuln.today
Public exploit code
Patch released
Feb 20, 2026 - 19:24 nvd
Patch available
CVE Published
Feb 20, 2026 - 02:16 nvd
HIGH 7.1

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 31 npm packages depend on tar (20 direct, 11 indirect)

Ecosystem-wide dependent count for version 7.5.8.

DescriptionGitHub Advisory

node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.

AnalysisAI

Path traversal in node-tar versions 7.5.7 and earlier allows local attackers to read and write arbitrary files outside the extraction directory by crafting malicious tar archives containing hardlinks that bypass extraction path validation. Public exploit code exists for this vulnerability, which affects default extraction configurations in Node.js and related Tar implementations. The vulnerability has been patched in node-tar 7.5.8.

Technical ContextAI

Classified as CWE-22 (Path Traversal). Affects Tar. node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 7.5.8.. Validate and sanitize file path inputs. Use allowlists.

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Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Linux Enterprise High Performance Computing 12 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Web and Scripting 15 SP7 Fixed
SUSE Linux Enterprise Module for Web and Scripting 15 SP7 Fixed

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CVE-2026-26960 vulnerability details – vuln.today

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