CVE-2026-17524

Description

Versions of the package zip-lib before 1.1.0 are vulnerable to Directory Traversal via the caching mechanism for path validation during the extraction process. An attacker can bypass security checks designed to prevent directory traversal. The intended security function, isOutsideTargetFolder, only checks and caches the path status when the initial directory symlink is created during the first extraction.

References

https://security.snyk.io/vuln/SNYK-JS-ZIPLIB-13834403

https://github.com/fpsqdb/zip-lib/issues/14

https://github.com/fpsqdb/zip-lib/commit/0c29b1e17050f2611f4f37e6aaa92a60b3cb89d5

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4