CVE-2026-65921
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Path Traversal in Archive Extraction Process

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: JFrog

Description
A path validation weakness in archive extraction/write handling allows entries with traversal sequences to be written outside the intended build artifacts location.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-27
EPSS Evaluated
N/A
NVD
CVE-2026-65921
EUVD
EUVD-2026-49569

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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Executive Summary

This vulnerability is a path validation weakness during archive extraction or write operations. It allows archive entries with traversal sequences (like ../) to be written outside the intended build artifacts directory, potentially overwriting or creating files in unintended locations.

Impact Analysis

An attacker could exploit this to overwrite critical system files, inject malicious code into applications, or gain unauthorized access to sensitive data. This could lead to system compromise, data breaches, or denial of service.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations, legal penalties, and reputational damage if exploited.

Mitigation Strategies

Update or patch the affected archive extraction/write handling software to the latest version. Validate all archive entries to ensure they do not contain path traversal sequences before extraction. Implement strict input validation for archive file paths.

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