Arbitrary File Write in iobroker.js-controller

Description

Versions of iobroker.controller prior to 2.0.25 are vulnerable to Path Traversal. The package fails to restrict access to folders outside of the intended /adapter/<adapter-name> folder, which may allow attackers to include arbitrary files in the system.

Recommendation

Update the iobroker.js-controller package to the latest compatible version. Followings are version details:

• Affected version(s): < 2.0.25
• Patched version(s): 2.0.25

References

• GHSA-cmch-296j-wfvw
• snyk.io
• www.npmjs.com
• CVE-2019-10767
• CWE-22
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6

Related Issues

• Saltcorn has an Unauthenticated Path Traversal in sync endpoints, allowing arbitrary file write and directory read - CVE-2026-40163
• FUXA Unauthenticated Remote Code Execution via Arbitrary File Write in Upload API - CVE-2026-25895
• SillyTavern has a path traversal in `/api/chats/import` allows arbitrary file write outside intended chat directory - CVE-2026-34522
• Rollup 4 has Arbitrary File Write via Path Traversal - CVE-2026-27606

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

iobroker.js-controller