bower decompress-zip up to 0.3.3 lib/decompress-zip.js path traversal

Summaryinfo

A vulnerability labeled as critical has been found in bower decompress-zip up to 0.3.3. The impacted element is an unknown function of the file lib/decompress-zip.js. The manipulation results in path traversal. This vulnerability was named CVE-2026-107709. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in bower decompress-zip up to 0.3.3. Affected is an unknown part of the file lib/decompress-zip.js. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3. The vulnerability located in `lib/decompress-zip.js` improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive containing entries that resolve to prefix-sibling directories can cause files to be written outside the intended extraction directory. Successful exploitation may allow arbitrary file overwrite, application compromise, or remote code execution depending on the target environment and writable sibling paths.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-107709 since 10/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/08/2026). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• bower

Name

• decompress-zip

Version

• 0.3.0
• 0.3.1
• 0.3.2
• 0.3.3

CPE 2.3info

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CPE 2.2info

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