Vulnerability · Published Oct 8, 2026 · Assigned by certcc
CVE-2026-107709Bower decompress-zip has a path traversal vulnerability
High 7.8
In plain English
A high-severity path traversal in decompress-zip from Bower Decompress-Zip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Bower Decompress-Zip | decompress-zip | 0 – through 0.3.3 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H