# CVE-2026-49501: Dell PowerScale OneFS privilege escalation

Source: https://junglewise.ai/threats/cve-2026-49501-dell-powerscale-onefs-privilege-escalation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-15. Updated: 2026-07-15  
License: CC BY 4.0 with a link back

CVE-2026-49501 · Severity: medium · CVSS 6.7 · Published 2026-07-15

Dell PowerScale OneFS, the operating system for high-performance network-attached storage (NAS) systems, is affected by a privilege management vulnerability. An attacker who already possesses high-level administrative access to the local system could exploit this flaw to further elevate their permissions. This could allow an authorized user to bypass intended security restrictions and gain full control over the storage environment and its data.

Technologies: [Dell PowerScale OneFS](https://junglewise.ai/threats/technologies/powerscale-onefs). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-49501 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-49501 being exploited in the wild.

**How severe is CVE-2026-49501?** Medium severity, with a CVSS score of 6.7, published 15 July 2026.

**Which products and versions are affected?** Dell PowerScale OneFS 9.5.0.0 through 9.10.1.7, 9.11.0.0 through 9.13.0.2.

**Is there a fix for CVE-2026-49501?** 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-2026-49501 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-49501?** Check whether you run Dell PowerScale OneFS 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

An improper privilege management vulnerability (CWE-269) exists in Dell PowerScale OneFS. The flaw is present in versions 9.5.0.0 through 9.10.1.7 and 9.11.0.0 through 9.13.0.2. A high-privileged attacker with local access can exploit this vulnerability to achieve a higher level of privilege than intended. The attack vector is local and requires no user interaction. Dell has released remediated versions 9.10.1.8 and 9.13.1.0 to address this issue. As a mitigation, Dell recommends configuring non-root users with the restricted shell for CLI access.

## Affected products

- Dell PowerScale OneFS 9.5.0.0 through 9.10.1.7, 9.11.0.0 through 9.13.0.2

## Timeline

- 2026-06-30: advisory: Initial release of Dell Security Advisory DSA-2026-261
- 2026-07-15: disclosed: NVD publication date

## References

- [https://www.dell.com/support/kbdoc/en-us/000483600/dsa-2026-261-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000483600/dsa-2026-261-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities)

## Related threats

- [Dell PowerScale OneFS command injection privilege escalation](https://junglewise.ai/threats/cve-2026-70425-dell-powerscale-onefs-command-injection-privilege-escalation)
- [Dell PowerScale OneFS incorrect authorization in system logs](https://junglewise.ai/threats/cve-2026-46460-dell-powerscale-onefs-incorrect-authorization-in-system-logs)
- [Dell PowerScale OneFS insecure temporary file vulnerability](https://junglewise.ai/threats/cve-2026-40635-dell-powerscale-onefs-insecure-temporary-file-vulnerability)
- [Dell PowerScale OneFS sensitive information disclosure in log files](https://junglewise.ai/threats/cve-2026-40633-dell-powerscale-onefs-sensitive-information-disclosure-in-log)
- [Dell PowerScale OneFS versions 9.5.0.0 through 9.5.1.6, 9.6.0.0 through 9.7.1.13, 9.8.0.0 through 9.10.1.5 and…](https://junglewise.ai/threats/cve-2026-32803-dell-powerscale-onefs-versions-9-5-0-0-through-9-5-1-6-9-6-0-0)