CVE-2026-27606

Rollup is a module bundler for JavaScript. Versions prior to 2.80.0, 3.30.0, and 4.59.0 of the Rollup module bundler (specifically v4.x and present in current source) is vulnerable to an Arbitrary File Write via Path Traversal. Insecure file name sanitization in the core engine allows an attacker to control output filenames (e.g., via CLI named inputs, manual chunk aliases, or malicious plugins) and use traversal sequences (`../`) to overwrite files anywhere on the host filesystem that the build process has permissions for. This can lead to persistent Remote Code Execution (RCE) by overwriting critical system or user configuration files. Versions 2.80.0, 3.30.0, and 4.59.0 contain a patch for the issue.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:rollupjs:rollup:*:*:*:*:*:node.js:*:*
cpe:2.3:a:rollupjs:rollup:*:*:*:*:*:node.js:*:*
cpe:2.3:a:rollupjs:rollup:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2026-02-25 03:16

Updated : 2026-09-10 13:18


NVD link : CVE-2026-27606

Mitre link : CVE-2026-27606

CVE.ORG link : CVE-2026-27606


JSON object : View

Products Affected

rollupjs

  • rollup
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')