# CVE-2026-15953: ABB Protection and Control IED Manager path traversal

Source: https://junglewise.ai/threats/cve-2026-15953-improper-limitation-of-a-pathname-to-a-restricted-directory-path  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-28. Updated: 2026-09-28  
License: CC BY 4.0 with a link back

CVE-2026-15953 · Severity: medium · CVSS 5 · Published 2026-09-28

ABB's Protection and Control IED Manager (PCM600) is a device management tool used to configure industrial protective relays and control equipment. A path traversal vulnerability allows an attacker to access files outside the intended directory structure on the system running the manager, potentially exposing sensitive configuration data or system files.

Vendors: [ABB](https://junglewise.ai/threats/vendors/abb).

## Quick answers

**Is CVE-2026-15953 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-15953 being exploited in the wild.

**How severe is CVE-2026-15953?** Medium severity, with a CVSS score of 5, published 28 September 2026.

**Which products and versions are affected?** ABB Protection and Control IED Manager (PCM600) through 2.14.

**Is there a fix for CVE-2026-15953?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-15953 attacked?** It is attacked over the network or with local access, in a network appliance.

**Am I affected by CVE-2026-15953?** Check whether you run ABB Protection and Control IED Manager (PCM600) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A path traversal vulnerability (CWE-22) in PCM600 allows an attacker to read arbitrary files by manipulating pathname inputs with directory traversal sequences (e.g., ../ or ..\\). The vulnerability affects versions up to and including 2.14. Exploitation likely requires local or adjacent network access to the system running the IED manager software.

## Affected products

- ABB Protection and Control IED Manager (PCM600) through 2.14

## Timeline

- 2026-09-28: disclosed

## References

- [https://search.abb.com/library/Download.aspx?DocumentID=2NGA003179&LanguageCode=en&DocumentPartId=pdf&Action=Launch](https://search.abb.com/library/Download.aspx?DocumentID=2NGA003179&LanguageCode=en&DocumentPartId=pdf&Action=Launch)

## Related threats

- [ABB Protection and control IED manager incorrect permission assignment](https://junglewise.ai/threats/cve-2026-15952-incorrect-permission-assignment-for-critical-resource)